diff --git a/docs/i18n_languages.md b/docs/i18n_languages.md
index 7447193..9fcf779 100644
--- a/docs/i18n_languages.md
+++ b/docs/i18n_languages.md
@@ -7,4 +7,4 @@ In JSON file:
 
 In GUI:
 
-- If the first letter of the translation must be uppercase, use the postProcess, for example: `{t_auth('advanced_users', { postProcess: 'capitalize' })}`
+- If the first letter of the translation must be uppercase, use the postProcess, for example: `{t_auth('advanced_users', { postProcess: 'capitalizeFirst' })}`
diff --git a/src/App.tsx b/src/App.tsx
index 17dea23..e5f9cc0 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -2514,7 +2514,9 @@ function App() {
                 setExtstate('create-wallet');
               }}
             >
-              {t('auth:action.create_account', { postProcess: 'capitalize' })}
+              {t('auth:action.create_account', {
+                postProcess: 'capitalizeFirst',
+              })}
             </CustomButton>
           </>
         )}
@@ -2611,7 +2613,9 @@ function App() {
                   fontWeight: 600,
                 }}
               >
-                {t('auth:action.authenticate', { postProcess: 'capitalize' })}
+                {t('auth:action.authenticate', {
+                  postProcess: 'capitalizeFirst',
+                })}
               </TextP>
             </Box>
 
@@ -2619,7 +2623,7 @@ function App() {
 
             <>
               <CustomLabel htmlFor="standard-adornment-password">
-                {t('auth:wallet.password', { postProcess: 'capitalize' })}
+                {t('auth:wallet.password', { postProcess: 'capitalizeFirst' })}
               </CustomLabel>
 
               <Spacer height="5px" />
@@ -2643,7 +2647,7 @@ function App() {
                       fontSize: '12px',
                     }}
                   >
-                    {t('auth:node.using', { postProcess: 'capitalize' })}:{' '}
+                    {t('auth:node.using', { postProcess: 'capitalizeFirst' })}:{' '}
                     {currentNode?.url}
                   </Typography>
                 </>
@@ -2655,7 +2659,9 @@ function App() {
                       fontSize: '12px',
                     }}
                   >
-                    {t('auth:node.using_public', { postProcess: 'capitalize' })}
+                    {t('auth:node.using_public', {
+                      postProcess: 'capitalizeFirst',
+                    })}
                   </Typography>
                 </>
               )}
@@ -2663,7 +2669,9 @@ function App() {
               <Spacer height="20px" />
 
               <CustomButton onClick={authenticateWallet}>
-                {t('auth:action.authenticate', { postProcess: 'capitalize' })}
+                {t('auth:action.authenticate', {
+                  postProcess: 'capitalizeFirst',
+                })}
               </CustomButton>
 
               <ErrorText>{walletToBeDecryptedError}</ErrorText>
@@ -2932,7 +2940,7 @@ function App() {
 
                   <CustomButton onClick={createAccountFunc}>
                     {t('auth:action.create_account', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </CustomButton>
                 </Box>
@@ -2978,7 +2986,7 @@ function App() {
                   }}
                 >
                   {t('core:action.backup_account', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </CustomButton>
               </>
@@ -3008,7 +3016,7 @@ function App() {
               }}
             >
               {t('core:message.success.transfer', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </TextP>
             <Spacer height="100px" />
@@ -3019,7 +3027,7 @@ function App() {
               }}
             >
               <CustomButton>
-                {t('core:action.continue', { postProcess: 'capitalize' })}
+                {t('core:action.continue', { postProcess: 'capitalizeFirst' })}
               </CustomButton>
             </ButtonBase>
           </Box>
@@ -3036,7 +3044,7 @@ function App() {
               }}
             >
               {t('core:message.success.transfer', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </TextP>
             <Spacer height="100px" />
@@ -3045,7 +3053,7 @@ function App() {
                 window.close();
               }}
             >
-              {t('core:action.continue', { postProcess: 'capitalize' })}
+              {t('core:action.continue', { postProcess: 'capitalizeFirst' })}
             </CustomButton>
           </>
         )}
@@ -3061,7 +3069,7 @@ function App() {
               }}
             >
               {t('core:message.success.order_submitted', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </TextP>
             <Spacer height="100px" />
@@ -3070,7 +3078,7 @@ function App() {
                 window.close();
               }}
             >
-              {t('core:action.close', { postProcess: 'capitalize' })}
+              {t('core:action.close', { postProcess: 'capitalizeFirst' })}
             </CustomButton>
           </>
         )}
@@ -3119,7 +3127,7 @@ function App() {
               {message?.paymentFee && (
                 <DialogContentText id="alert-dialog-description2">
                   {t('core:fee.payment', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                   : {message.paymentFee}
                 </DialogContentText>
@@ -3127,7 +3135,7 @@ function App() {
               {message?.publishFee && (
                 <DialogContentText id="alert-dialog-description2">
                   {t('core:fee.publish', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                   : {message.publishFee}
                 </DialogContentText>
@@ -3151,7 +3159,7 @@ function App() {
                 autoFocus
               >
                 {t('core:action.accept', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
               <Button
@@ -3170,7 +3178,7 @@ function App() {
                 onClick={onCancel}
               >
                 {t('core:action.decline', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
             </DialogActions>
@@ -3193,7 +3201,7 @@ function App() {
             <DialogActions>
               <Button variant="contained" onClick={onOkInfo} autoFocus>
                 {t('core:action.close', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
             </DialogActions>
@@ -3214,7 +3222,7 @@ function App() {
             <DialogActions>
               <Button variant="contained" onClick={onCancelUnsavedChanges}>
                 {t('core:action.cancel', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
               <Button
@@ -3223,7 +3231,7 @@ function App() {
                 autoFocus
               >
                 {t('core:action.continue_logout', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
             </DialogActions>
@@ -3502,7 +3510,7 @@ function App() {
                     <Box sx={{ display: 'flex', alignItems: 'center' }}>
                       <Typography sx={{ fontSize: '14px' }}>
                         {t('core:message.success.request_read', {
-                          postProcess: 'capitalize',
+                          postProcess: 'capitalizeFirst',
                         })}
                       </Typography>
                       <PriorityHighIcon color="warning" />
@@ -3552,7 +3560,7 @@ function App() {
                   }}
                 >
                   {t('core:action.accept', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </CustomButtonAccept>
                 <CustomButtonAccept
@@ -3564,7 +3572,7 @@ function App() {
                   onClick={() => onCancelQortalRequestExtension()}
                 >
                   {t('core:action.decline', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </CustomButtonAccept>
               </Box>
diff --git a/src/ExtStates/NotAuthenticated.tsx b/src/ExtStates/NotAuthenticated.tsx
index 2a6b090..c2f6e74 100644
--- a/src/ExtStates/NotAuthenticated.tsx
+++ b/src/ExtStates/NotAuthenticated.tsx
@@ -351,7 +351,8 @@ export const NotAuthenticated = ({
           .catch((error) => {
             console.error(
               'Failed to set API key:',
-              error.message || t('core:error', { postProcess: 'capitalize' })
+              error.message ||
+                t('core:error', { postProcess: 'capitalizeFirst' })
             );
           });
       } else {
@@ -361,7 +362,7 @@ export const NotAuthenticated = ({
           setInfoSnack({
             type: 'error',
             message: t('auth:apikey.select_valid', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             }),
           });
           setOpenSnack(true);
@@ -387,7 +388,7 @@ export const NotAuthenticated = ({
               'Failed to set API key:',
               error.message ||
                 t('core:error', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })
             );
           });
@@ -399,7 +400,7 @@ export const NotAuthenticated = ({
           message:
             error?.message ||
             t('auth:apikey.select_valid', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             }),
         });
         setOpenSnack(true);
@@ -481,7 +482,7 @@ export const NotAuthenticated = ({
           fontSize: '18px',
         }}
       >
-        {t('auth:welcome', { postProcess: 'capitalize' })}
+        {t('auth:welcome', { postProcess: 'capitalizeFirst' })}
         <TextSpan
           sx={{
             fontSize: '18px',
@@ -511,13 +512,13 @@ export const NotAuthenticated = ({
                   fontSize: '16px',
                 }}
               >
-                {t('auth:tips.digital_id', { postProcess: 'capitalize' })}
+                {t('auth:tips.digital_id', { postProcess: 'capitalizeFirst' })}
               </Typography>
             </React.Fragment>
           }
         >
           <CustomButton onClick={() => setExtstate('wallets')}>
-            {t('auth:account.account_many', { postProcess: 'capitalize' })}
+            {t('auth:account.account_many', { postProcess: 'capitalizeFirst' })}
           </CustomButton>
         </HtmlTooltip>
       </Box>
@@ -542,7 +543,7 @@ export const NotAuthenticated = ({
                   fontSize: '18px',
                 }}
               >
-                {t('auth:tips.new_users', { postProcess: 'capitalize' })}
+                {t('auth:tips.new_users', { postProcess: 'capitalizeFirst' })}
               </Typography>
               <Spacer height="10px" />
               <Typography
@@ -551,7 +552,7 @@ export const NotAuthenticated = ({
                   fontSize: '16px',
                 }}
               >
-                {t('auth:tips.new_account', { postProcess: 'capitalize' })}
+                {t('auth:tips.new_account', { postProcess: 'capitalizeFirst' })}
               </Typography>
             </React.Fragment>
           }
@@ -572,7 +573,9 @@ export const NotAuthenticated = ({
               },
             }}
           >
-            {t('auth:action.create_account', { postProcess: 'capitalize' })}
+            {t('auth:action.create_account', {
+              postProcess: 'capitalizeFirst',
+            })}
           </CustomButton>
         </HtmlTooltip>
       </Box>
@@ -585,7 +588,7 @@ export const NotAuthenticated = ({
           visibility: !useLocalNode && 'hidden',
         }}
       >
-        {t('auth:node.using', { postProcess: 'capitalize' })}:{' '}
+        {t('auth:node.using', { postProcess: 'capitalizeFirst' })}:{' '}
         {currentNode?.url}
       </Typography>
 
@@ -613,7 +616,7 @@ export const NotAuthenticated = ({
                 textDecoration: 'underline',
               }}
             >
-              {t('auth:advanced_users', { postProcess: 'capitalize' })}
+              {t('auth:advanced_users', { postProcess: 'capitalizeFirst' })}
             </Typography>
             <Box
               sx={{
@@ -662,8 +665,12 @@ export const NotAuthenticated = ({
                 }
                 label={
                   isLocal
-                    ? t('auth:node.use_local', { postProcess: 'capitalize' })
-                    : t('auth:node.use_custom', { postProcess: 'capitalize' })
+                    ? t('auth:node.use_local', {
+                        postProcess: 'capitalizeFirst',
+                      })
+                    : t('auth:node.use_custom', {
+                        postProcess: 'capitalizeFirst',
+                      })
                 }
               />
             </Box>
@@ -676,8 +683,12 @@ export const NotAuthenticated = ({
                   component="label"
                 >
                   {apiKey
-                    ? t('auth:node.use_local', { postProcess: 'capitalize' })
-                    : t('auth:apikey.import', { postProcess: 'capitalize' })}
+                    ? t('auth:node.use_local', {
+                        postProcess: 'capitalizeFirst',
+                      })
+                    : t('auth:apikey.import', {
+                        postProcess: 'capitalizeFirst',
+                      })}
                 </Button>
                 <Typography
                   sx={{
@@ -685,7 +696,7 @@ export const NotAuthenticated = ({
                     visibility: importedApiKey ? 'visible' : 'hidden',
                   }}
                 >
-                  {t('auth:apikey.key', { postProcess: 'capitalize' })}:{' '}
+                  {t('auth:apikey.key', { postProcess: 'capitalizeFirst' })}:{' '}
                   {importedApiKey}
                 </Typography>
               </>
@@ -698,7 +709,7 @@ export const NotAuthenticated = ({
               variant="contained"
               component="label"
             >
-              {t('auth:node.choose', { postProcess: 'capitalize' })}
+              {t('auth:node.choose', { postProcess: 'capitalizeFirst' })}
             </Button>
           </>
           <Typography
@@ -707,7 +718,7 @@ export const NotAuthenticated = ({
               fontSize: '12px',
             }}
           >
-            {t('auth:build_version', { postProcess: 'capitalize' })}:
+            {t('auth:build_version', { postProcess: 'capitalizeFirst' })}:
             {manifestData?.version}
           </Typography>
         </Box>
@@ -728,7 +739,7 @@ export const NotAuthenticated = ({
         >
           <DialogTitle id="alert-dialog-title">
             {' '}
-            {t('auth:node.custom_many', { postProcess: 'capitalize' })}:
+            {t('auth:node.custom_many', { postProcess: 'capitalizeFirst' })}:
           </DialogTitle>
           <DialogContent>
             <Box
@@ -798,7 +809,9 @@ export const NotAuthenticated = ({
                         }}
                         variant="contained"
                       >
-                        {t('core:action.choose', { postProcess: 'capitalize' })}
+                        {t('core:action.choose', {
+                          postProcess: 'capitalizeFirst',
+                        })}
                       </Button>
                     </Box>
                   </Box>
@@ -858,7 +871,7 @@ export const NotAuthenticated = ({
                             variant="contained"
                           >
                             {t('core:action.choose', {
-                              postProcess: 'capitalize',
+                              postProcess: 'capitalizeFirst',
                             })}
                           </Button>
 
@@ -873,7 +886,7 @@ export const NotAuthenticated = ({
                             variant="contained"
                           >
                             {t('core:action.edit', {
-                              postProcess: 'capitalize',
+                              postProcess: 'capitalizeFirst',
                             })}
                           </Button>
 
@@ -887,7 +900,9 @@ export const NotAuthenticated = ({
                             }}
                             variant="contained"
                           >
-                            {t('core:remove', { postProcess: 'capitalize' })}
+                            {t('core:remove', {
+                              postProcess: 'capitalizeFirst',
+                            })}
                           </Button>
                         </Box>
                       </Box>
@@ -926,7 +941,7 @@ export const NotAuthenticated = ({
           <DialogActions>
             {mode === 'list' && (
               <Button variant="contained" onClick={addCustomNode}>
-                {t('core:action.add', { postProcess: 'capitalize' })}
+                {t('core:action.add', { postProcess: 'capitalizeFirst' })}
               </Button>
             )}
 
@@ -939,7 +954,7 @@ export const NotAuthenticated = ({
                   }}
                   autoFocus
                 >
-                  {t('core:action.close', { postProcess: 'capitalize' })}
+                  {t('core:action.close', { postProcess: 'capitalizeFirst' })}
                 </Button>
               </>
             )}
@@ -954,7 +969,7 @@ export const NotAuthenticated = ({
                   }}
                 >
                   {t('auth:action.return_to_list', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Button>
 
@@ -964,7 +979,7 @@ export const NotAuthenticated = ({
                   onClick={() => saveCustomNodes(customNodes)}
                   autoFocus
                 >
-                  {t('core:save', { postProcess: 'capitalize' })}
+                  {t('core:save', { postProcess: 'capitalizeFirst' })}
                 </Button>
               </>
             )}
@@ -979,7 +994,7 @@ export const NotAuthenticated = ({
           aria-describedby="alert-dialog-description"
         >
           <DialogTitle id="alert-dialog-title">
-            {t('auth:apikey.enter', { postProcess: 'capitalize' })}
+            {t('auth:apikey.enter', { postProcess: 'capitalizeFirst' })}
           </DialogTitle>
           <DialogContent>
             <Box
@@ -998,7 +1013,9 @@ export const NotAuthenticated = ({
                 variant="contained"
                 component="label"
               >
-                {t('auth:apikey.alternative', { postProcess: 'capitalize' })}
+                {t('auth:apikey.alternative', {
+                  postProcess: 'capitalizeFirst',
+                })}
                 <input
                   type="file"
                   accept=".txt"
@@ -1053,7 +1070,7 @@ export const NotAuthenticated = ({
               }}
               autoFocus
             >
-              {t('core:save', { postProcess: 'capitalize' })}
+              {t('core:save', { postProcess: 'capitalizeFirst' })}
             </Button>
 
             <Button
@@ -1063,7 +1080,7 @@ export const NotAuthenticated = ({
                 setShowSelectApiKey(false);
               }}
             >
-              {t('core:action.close', { postProcess: 'capitalize' })}
+              {t('core:action.close', { postProcess: 'capitalizeFirst' })}
             </Button>
           </DialogActions>
         </Dialog>
diff --git a/src/Wallets.tsx b/src/Wallets.tsx
index 9fb153b..bd41369 100644
--- a/src/Wallets.tsx
+++ b/src/Wallets.tsx
@@ -152,7 +152,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
       } else {
         setSeedError(
           t('auth:message.error.account_creation', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
         );
       }
@@ -160,7 +160,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
       setSeedError(
         error?.message ||
           t('auth:message.error.account_creation', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
       );
     } finally {
@@ -202,7 +202,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
         <>
           <Typography>
             {t('auth:message.generic.no_account', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Typography>
 
@@ -212,7 +212,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
         <>
           <Typography>
             {t('auth:message.generic.your_accounts', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Typography>
 
@@ -224,7 +224,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
         <Box>
           <Typography>
             {t('auth:account.selected', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
             :
           </Typography>
@@ -282,7 +282,9 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
                   fontSize: '16px',
                 }}
               >
-                {t('auth:tips.existing_account', { postProcess: 'capitalize' })}
+                {t('auth:tips.existing_account', {
+                  postProcess: 'capitalizeFirst',
+                })}
               </Typography>
             </Fragment>
           }
@@ -294,7 +296,9 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
               display: 'inline',
             }}
           >
-            {t('auth:action.add.seed_phrase', { postProcess: 'capitalize' })}
+            {t('auth:action.add.seed_phrase', {
+              postProcess: 'capitalizeFirst',
+            })}
           </CustomButton>
         </HtmlTooltip>
 
@@ -309,7 +313,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
                 }}
               >
                 {t('auth:tips.additional_wallet', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Fragment>
@@ -323,7 +327,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
           >
             <input {...getInputProps()} />
             {t('auth:action.add.account', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </CustomButton>
         </HtmlTooltip>
@@ -341,7 +345,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
       >
         <DialogTitle id="alert-dialog-title">
           {t('auth:message.generic.type_seed', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </DialogTitle>
 
@@ -354,7 +358,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
           >
             <Label>
               {t('auth:name', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Label>
             <Input
@@ -367,7 +371,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
 
             <Label>
               {t('auth:seed', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Label>
             <PasswordField
@@ -385,7 +389,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
 
             <Label>
               {t('auth:action.choose_password', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Label>
             <PasswordField
@@ -413,7 +417,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
             }}
           >
             {t('core:action.close', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Button>
           <LoadingButton
@@ -427,7 +431,7 @@ export const Wallets = ({ setExtState, setRawWallet, rawWallet }) => {
             autoFocus
           >
             {t('core:action.add', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </LoadingButton>
           <Typography
@@ -516,7 +520,7 @@ const WalletItem = ({ wallet, updateWalletItem, idx, setSelectedWallet }) => {
                   }}
                 >
                   {t('core:action.login', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               </Box>
@@ -546,7 +550,7 @@ const WalletItem = ({ wallet, updateWalletItem, idx, setSelectedWallet }) => {
         >
           <Label>
             {t('auth:name', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Label>
           <Input
@@ -562,7 +566,7 @@ const WalletItem = ({ wallet, updateWalletItem, idx, setSelectedWallet }) => {
 
           <Label>
             {t('auth:note', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Label>
           <Input
@@ -593,7 +597,7 @@ const WalletItem = ({ wallet, updateWalletItem, idx, setSelectedWallet }) => {
               onClick={() => setIsEdit(false)}
             >
               {t('core:action.close', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Button>
             <Button
@@ -611,7 +615,7 @@ const WalletItem = ({ wallet, updateWalletItem, idx, setSelectedWallet }) => {
               onClick={() => updateWalletItem(idx, null)}
             >
               {t('core:action.remove', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Button>
             <Button
@@ -636,7 +640,7 @@ const WalletItem = ({ wallet, updateWalletItem, idx, setSelectedWallet }) => {
               }}
             >
               {t('core:action.save', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Button>
           </Box>
diff --git a/src/components/Apps/AppInfo.tsx b/src/components/Apps/AppInfo.tsx
index b36799a..6e8e274 100644
--- a/src/components/Apps/AppInfo.tsx
+++ b/src/components/Apps/AppInfo.tsx
@@ -174,10 +174,10 @@ export const AppInfo = ({ app, myName }) => {
               <AppDownloadButtonText>
                 {isSelectedAppPinned
                   ? t('core:action.unpin_from_dashboard', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })
                   : t('core:action.pin_from_dashboard', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
               </AppDownloadButtonText>
             </AppDownloadButton>
@@ -200,10 +200,10 @@ export const AppInfo = ({ app, myName }) => {
               <AppDownloadButtonText>
                 {isInstalled
                   ? t('core:action.open', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })
                   : t('core:action.download', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
               </AppDownloadButtonText>
             </AppDownloadButton>
@@ -229,7 +229,7 @@ export const AppInfo = ({ app, myName }) => {
             <AppsCategoryInfoSub>
               <AppsCategoryInfoLabel>
                 {t('core:category', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
                 :
               </AppsCategoryInfoLabel>
@@ -239,7 +239,7 @@ export const AppInfo = ({ app, myName }) => {
               <AppsCategoryInfoValue>
                 {app?.metadata?.categoryName ||
                   t('core:none', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
               </AppsCategoryInfoValue>
             </AppsCategoryInfoSub>
@@ -249,7 +249,7 @@ export const AppInfo = ({ app, myName }) => {
 
           <AppInfoAppName>
             {t('core:q_apps.about', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </AppInfoAppName>
         </AppsWidthLimiter>
@@ -259,7 +259,7 @@ export const AppInfo = ({ app, myName }) => {
         <AppsInfoDescription>
           {app?.metadata?.description ||
             t('core:message.generic.no_description', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
         </AppsInfoDescription>
       </Box>
diff --git a/src/components/Apps/AppInfoSnippet.tsx b/src/components/Apps/AppInfoSnippet.tsx
index c027bb0..1629b5e 100644
--- a/src/components/Apps/AppInfoSnippet.tsx
+++ b/src/components/Apps/AppInfoSnippet.tsx
@@ -173,10 +173,10 @@ export const AppInfoSnippet = ({
           <AppDownloadButtonText>
             {isSelectedAppPinned
               ? t('core:action.unpin', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })
               : t('core:action.pin', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
           </AppDownloadButtonText>
         </AppDownloadButton>
@@ -196,10 +196,10 @@ export const AppInfoSnippet = ({
           <AppDownloadButtonText>
             {isInstalled
               ? t('core:action.open', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })
               : t('core:action.download', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
           </AppDownloadButtonText>
         </AppDownloadButton>
diff --git a/src/components/Apps/AppPublish.tsx b/src/components/Apps/AppPublish.tsx
index 1425ba6..6ab1525 100644
--- a/src/components/Apps/AppPublish.tsx
+++ b/src/components/Apps/AppPublish.tsx
@@ -96,7 +96,7 @@ export const AppPublish = ({ names, categories }) => {
               t('core:message.error.file_too_large', {
                 filename: file.name,
                 size: maxFileSize / (1024 * 1024),
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })
             );
           }
@@ -171,7 +171,7 @@ export const AppPublish = ({ names, categories }) => {
         const missingFieldsString = missingFields.join(', ');
         const errorMsg = t('core:message.error.missing_fields', {
           fields: missingFieldsString,
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
         throw new Error(errorMsg);
       }
@@ -179,13 +179,13 @@ export const AppPublish = ({ names, categories }) => {
 
       await show({
         message: t('core:save_options.publish_app', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
       setIsLoading(
         t('core:message.generic.publishing', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         })
       );
       const fileBase64 = await fileToBase64(file);
@@ -214,14 +214,16 @@ export const AppPublish = ({ names, categories }) => {
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
       setInfoSnack({
         type: 'success',
         message: t('core:message.success.published', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
       });
       setOpenSnack(true);
@@ -244,7 +246,7 @@ export const AppPublish = ({ names, categories }) => {
         message:
           error?.message ||
           t('core:message.error.publish_app', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
       });
       setOpenSnack(true);
@@ -268,7 +270,7 @@ export const AppPublish = ({ names, categories }) => {
       >
         <AppLibrarySubTitle>
           {t('core:action.create_apps', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
           !
         </AppLibrarySubTitle>
@@ -277,7 +279,7 @@ export const AppPublish = ({ names, categories }) => {
 
         <PublishQAppInfo>
           {t('core:message.generic.one_app_per_name', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </PublishQAppInfo>
 
@@ -285,7 +287,7 @@ export const AppPublish = ({ names, categories }) => {
 
         <InputLabel sx={{ fontSize: '14px', marginBottom: '2px' }}>
           {t('core:name_app', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </InputLabel>
 
@@ -302,7 +304,7 @@ export const AppPublish = ({ names, categories }) => {
               }}
             >
               {t('core:action.select_name_app', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </em>
             {/* This is the placeholder item */}
@@ -316,7 +318,7 @@ export const AppPublish = ({ names, categories }) => {
 
         <InputLabel sx={{ fontSize: '14px', marginBottom: '2px' }}>
           {t('core:app_service_type', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </InputLabel>
 
@@ -333,18 +335,18 @@ export const AppPublish = ({ names, categories }) => {
               }}
             >
               {t('core:action.select_app_type', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </em>
           </CustomMenuItem>
           <CustomMenuItem value={'APP'}>
             {t('core:app', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </CustomMenuItem>
           <CustomMenuItem value={'WEBSITE'}>
             {t('core:website', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </CustomMenuItem>
         </CustomSelect>
@@ -353,7 +355,7 @@ export const AppPublish = ({ names, categories }) => {
 
         <InputLabel sx={{ fontSize: '14px', marginBottom: '2px' }}>
           {t('core:title', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </InputLabel>
 
@@ -380,7 +382,7 @@ export const AppPublish = ({ names, categories }) => {
 
         <InputLabel sx={{ fontSize: '14px', marginBottom: '2px' }}>
           {t('core:description', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </InputLabel>
 
@@ -407,7 +409,7 @@ export const AppPublish = ({ names, categories }) => {
 
         <InputLabel sx={{ fontSize: '14px', marginBottom: '2px' }}>
           {t('core:category', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </InputLabel>
 
@@ -424,7 +426,7 @@ export const AppPublish = ({ names, categories }) => {
               }}
             >
               {t('core:action.select_category', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </em>
           </CustomMenuItem>
@@ -441,7 +443,7 @@ export const AppPublish = ({ names, categories }) => {
 
         <InputLabel sx={{ fontSize: '14px', marginBottom: '2px' }}>
           {t('core:tags', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </InputLabel>
 
@@ -536,7 +538,9 @@ export const AppPublish = ({ names, categories }) => {
         <Spacer height="30px" />
 
         <PublishQAppInfo>
-          {t('core:message.generic.select_zip', { postProcess: 'capitalize' })}
+          {t('core:message.generic.select_zip', {
+            postProcess: 'capitalizeFirst',
+          })}
         </PublishQAppInfo>
 
         <Spacer height="10px" />
@@ -556,7 +560,7 @@ export const AppPublish = ({ names, categories }) => {
         <PublishQAppChoseFile {...getRootProps()}>
           {' '}
           <input {...getInputProps()} />
-          {t('core:action.choose_file', { postProcess: 'capitalize' })}
+          {t('core:action.choose_file', { postProcess: 'capitalizeFirst' })}
         </PublishQAppChoseFile>
 
         <Spacer height="35px" />
@@ -567,7 +571,7 @@ export const AppPublish = ({ names, categories }) => {
           }}
           onClick={publishApp}
         >
-          {t('core:action.publish', { postProcess: 'capitalize' })}
+          {t('core:action.publish', { postProcess: 'capitalizeFirst' })}
         </PublishQAppCTAButton>
       </AppsWidthLimiter>
 
diff --git a/src/components/Apps/AppRating.tsx b/src/components/Apps/AppRating.tsx
index 7252c1f..34bdee0 100644
--- a/src/components/Apps/AppRating.tsx
+++ b/src/components/Apps/AppRating.tsx
@@ -106,7 +106,7 @@ export const AppRating = ({ app, myName, ratingCountPosition = 'right' }) => {
       if (!myName)
         throw new Error(
           t('core:message.generic.name_rate', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
         );
       if (!app?.name) return;
@@ -115,7 +115,7 @@ export const AppRating = ({ app, myName, ratingCountPosition = 'right' }) => {
       await show({
         message: t('core:message.error.generic', {
           rate: newValue,
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -126,7 +126,7 @@ export const AppRating = ({ app, myName, ratingCountPosition = 'right' }) => {
         const pollDescription = t('core:message.error.generic', {
           name: app.name,
           service: app.service,
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
 
         await new Promise((res, rej) => {
@@ -150,7 +150,7 @@ export const AppRating = ({ app, myName, ratingCountPosition = 'right' }) => {
                 setInfoSnack({
                   type: 'success',
                   message: t('core:message.success.rated_app', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                 });
                 setOpenSnack(true);
@@ -169,7 +169,7 @@ export const AppRating = ({ app, myName, ratingCountPosition = 'right' }) => {
         if (isNaN(optionIndex) || optionIndex === -1)
           throw new Error(
             t('core:message.error.rating_option', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })
           );
         await new Promise((res, rej) => {
@@ -191,7 +191,7 @@ export const AppRating = ({ app, myName, ratingCountPosition = 'right' }) => {
                 setInfoSnack({
                   type: 'success',
                   message: t('core:message.success.rated_app', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                 });
                 setOpenSnack(true);
@@ -209,7 +209,7 @@ export const AppRating = ({ app, myName, ratingCountPosition = 'right' }) => {
         message:
           error?.message ||
           t('core:message.error.unable_rate', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
       });
       setOpenSnack(true);
diff --git a/src/components/Apps/AppsDesktop.tsx b/src/components/Apps/AppsDesktop.tsx
index d1268fb..56c4985 100644
--- a/src/components/Apps/AppsDesktop.tsx
+++ b/src/components/Apps/AppsDesktop.tsx
@@ -24,6 +24,7 @@ import { AppsIcon } from '../../assets/Icons/AppsIcon';
 import { CoreSyncStatus } from '../CoreSyncStatus';
 import { MessagingIconFilled } from '../../assets/Icons/MessagingIconFilled';
 import { useAtom } from 'jotai';
+import { useTranslation } from 'react-i18next';
 
 const uid = new ShortUniqueId({ length: 8 });
 
@@ -47,9 +48,9 @@ export const AppsDesktop = ({
   const [categories, setCategories] = useState([]);
   const iframeRefs = useRef({});
   const [isEnabledDevMode, setIsEnabledDevMode] = useAtom(enabledDevModeAtom);
-
   const { showTutorial } = useContext(MyContext);
   const theme = useTheme();
+  const { t } = useTranslation(['core', 'group']);
 
   const myApp = useMemo(() => {
     return availableQapps.find(
@@ -104,7 +105,6 @@ export const AppsDesktop = ({
     try {
       let apps = [];
       let websites = [];
-      // dispatch(setIsLoadingGlobal(true))
       const url = `${getBaseApiReact()}/arbitrary/resources/search?service=APP&mode=ALL&limit=0&includestatus=true&includemetadata=true`;
 
       const response = await fetch(url, {
@@ -113,6 +113,7 @@ export const AppsDesktop = ({
           'Content-Type': 'application/json',
         },
       });
+
       if (!response?.ok) return;
       const responseData = await response.json();
       const urlWebsites = `${getBaseApiReact()}/arbitrary/resources/search?service=WEBSITE&mode=ALL&limit=0&includestatus=true&includemetadata=true`;
@@ -123,6 +124,7 @@ export const AppsDesktop = ({
           'Content-Type': 'application/json',
         },
       });
+
       if (!responseWebsites?.ok) return;
       const responseDataWebsites = await responseWebsites.json();
 
diff --git a/src/components/Auth/DownloadWallet.tsx b/src/components/Auth/DownloadWallet.tsx
index f96dbb6..eb85a20 100644
--- a/src/components/Auth/DownloadWallet.tsx
+++ b/src/components/Auth/DownloadWallet.tsx
@@ -76,14 +76,16 @@ export const DownloadWallet = ({
       if (!keepCurrentPassword && !newPassword) {
         setWalletToBeDownloadedError(
           t('auth:wallet.error.missing_new_password', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
         );
         return;
       }
       if (!walletToBeDownloadedPassword) {
         setWalletToBeDownloadedError(
-          t('auth:wallet.error.missing_password', { postProcess: 'capitalize' })
+          t('auth:wallet.error.missing_password', {
+            postProcess: 'capitalizeFirst',
+          })
         );
         return;
       }
@@ -157,7 +159,9 @@ export const DownloadWallet = ({
             fontWeight: 600,
           }}
         >
-          {t('auth:action.download_account', { postProcess: 'capitalize' })}
+          {t('auth:action.download_account', {
+            postProcess: 'capitalizeFirst',
+          })}
         </TextP>
       </Box>
 
@@ -167,7 +171,7 @@ export const DownloadWallet = ({
         <>
           <CustomLabel htmlFor="standard-adornment-password">
             {t('auth:wallet.password_confirmation', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </CustomLabel>
 
@@ -206,7 +210,7 @@ export const DownloadWallet = ({
               <Box sx={{ display: 'flex', alignItems: 'center' }}>
                 <Typography sx={{ fontSize: '14px' }}>
                   {t('auth:wallet.keep_password', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               </Box>
@@ -217,7 +221,7 @@ export const DownloadWallet = ({
             <>
               <CustomLabel htmlFor="standard-adornment-password">
                 {t('auth:wallet.new_password', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </CustomLabel>
 
@@ -233,7 +237,7 @@ export const DownloadWallet = ({
 
           <CustomButton onClick={confirmPasswordToDownload}>
             {t('auth:password_confirmation', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </CustomButton>
 
@@ -248,13 +252,13 @@ export const DownloadWallet = ({
               await saveFileToDiskFunc();
               await showInfo({
                 message: t('auth:message.generic.keep_secure', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
             }}
           >
             {t('auth:action.download_account', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </CustomButton>
         </>
diff --git a/src/components/Chat/GroupAnnouncements.tsx b/src/components/Chat/GroupAnnouncements.tsx
index c91bfaa..af92b71 100644
--- a/src/components/Chat/GroupAnnouncements.tsx
+++ b/src/components/Chat/GroupAnnouncements.tsx
@@ -291,7 +291,7 @@ export const GroupAnnouncements = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'ARBITRARY',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
diff --git a/src/components/CoreSyncStatus.tsx b/src/components/CoreSyncStatus.tsx
index 79e22d2..3e782c4 100644
--- a/src/components/CoreSyncStatus.tsx
+++ b/src/components/CoreSyncStatus.tsx
@@ -77,26 +77,26 @@ export const CoreSyncStatus = () => {
 
     let imagePath = syncingImg;
     let message = t('core:message.status.synchronizing', {
-      postProcess: 'capitalize',
+      postProcess: 'capitalizeFirst',
     });
 
     if (isMintingPossible && !isUsingGateway) {
       imagePath = syncedMintingImg;
-      message = `${t(`core:message.status.${isSynchronizing ? 'synchronizing' : 'synchronized'}`, { postProcess: 'capitalize' })} ${t('core:message.status.minting')}`;
+      message = `${t(`core:message.status.${isSynchronizing ? 'synchronizing' : 'synchronized'}`, { postProcess: 'capitalizeFirst' })} ${t('core:message.status.minting')}`;
     } else if (isSynchronizing === true && syncPercent === 99) {
       imagePath = syncingImg;
     } else if (isSynchronizing && !isMintingPossible && syncPercent === 100) {
       imagePath = syncingImg;
-      message = `${t('core:message.status.synchronizing', { postProcess: 'capitalize' })} ${!isUsingGateway ? t('core:message.status.not_minting') : ''}`;
+      message = `${t('core:message.status.synchronizing', { postProcess: 'capitalizeFirst' })} ${!isUsingGateway ? t('core:message.status.not_minting') : ''}`;
     } else if (!isSynchronizing && !isMintingPossible && syncPercent === 100) {
       imagePath = syncedImg;
-      message = `${t('core:message.status.synchronized', { postProcess: 'capitalize' })} ${!isUsingGateway ? t('core:message.status.not_minting') : ''}`;
+      message = `${t('core:message.status.synchronized', { postProcess: 'capitalizeFirst' })} ${!isUsingGateway ? t('core:message.status.not_minting') : ''}`;
     } else if (isSynchronizing && isMintingPossible && syncPercent === 100) {
       imagePath = syncingImg;
-      message = `${t('core:message.status.synchronizing', { postProcess: 'capitalize' })} ${!isUsingGateway ? t('core:message.status.minting') : ''}`;
+      message = `${t('core:message.status.synchronizing', { postProcess: 'capitalizeFirst' })} ${!isUsingGateway ? t('core:message.status.minting') : ''}`;
     } else if (!isSynchronizing && isMintingPossible && syncPercent === 100) {
       imagePath = syncedMintingImg;
-      message = `${t('core:message.status.synchronized', { postProcess: 'capitalize' })} ${!isUsingGateway ? t('core:message.status.minting') : ''}`;
+      message = `${t('core:message.status.synchronized', { postProcess: 'capitalizeFirst' })} ${!isUsingGateway ? t('core:message.status.minting') : ''}`;
     }
 
     return (
@@ -121,36 +121,38 @@ export const CoreSyncStatus = () => {
             top: '10px',
           }}
         >
-          <h3>{t('core:core.information', { postProcess: 'capitalize' })}</h3>
+          <h3>
+            {t('core:core.information', { postProcess: 'capitalizeFirst' })}
+          </h3>
 
           <h4 className="lineHeight">
-            {t('core:core.version', { postProcess: 'capitalize' })}:{' '}
+            {t('core:core.version', { postProcess: 'capitalizeFirst' })}:{' '}
             <span style={{ color: '#03a9f4' }}>{buildVersion}</span>
           </h4>
 
           <h4 className="lineHeight">{message}</h4>
 
           <h4 className="lineHeight">
-            {t('core:core.block_height', { postProcess: 'capitalize' })}:{' '}
+            {t('core:core.block_height', { postProcess: 'capitalizeFirst' })}:{' '}
             <span style={{ color: '#03a9f4' }}>{height || ''}</span>
           </h4>
 
           <h4 className="lineHeight">
-            {t('core:core.peers', { postProcess: 'capitalize' })}:{' '}
+            {t('core:core.peers', { postProcess: 'capitalizeFirst' })}:{' '}
             <span style={{ color: '#03a9f4' }}>
               {numberOfConnections || ''}
             </span>
           </h4>
 
           <h4 className="lineHeight">
-            {t('auth:node.using_public', { postProcess: 'capitalize' })}:{' '}
+            {t('auth:node.using_public', { postProcess: 'capitalizeFirst' })}:{' '}
             <span style={{ color: '#03a9f4' }}>
               {isUsingGateway?.toString()}
             </span>
           </h4>
 
           <h4 className="lineHeight">
-            {t('core:ui.version', { postProcess: 'capitalize' })}:{' '}
+            {t('core:ui.version', { postProcess: 'capitalizeFirst' })}:{' '}
             <span style={{ color: '#03a9f4' }}>{manifestData.version}</span>
           </h4>
         </div>
diff --git a/src/components/Explore/Explore.tsx b/src/components/Explore/Explore.tsx
index 3da3cf5..33c7876 100644
--- a/src/components/Explore/Explore.tsx
+++ b/src/components/Explore/Explore.tsx
@@ -46,7 +46,7 @@ export const Explore = ({ setDesktopViewMode }) => {
             fontSize: '1rem',
           }}
         >
-          {t('tutorial:initial.trade_qort', { postProcess: 'capitalize' })}
+          {t('tutorial:initial.trade_qort', { postProcess: 'capitalizeFirst' })}
         </Typography>
       </ButtonBase>
 
@@ -73,7 +73,7 @@ export const Explore = ({ setDesktopViewMode }) => {
             fontSize: '1rem',
           }}
         >
-          {t('tutorial:initial.see_apps', { postProcess: 'capitalize' })}
+          {t('tutorial:initial.see_apps', { postProcess: 'capitalizeFirst' })}
         </Typography>
       </ButtonBase>
 
@@ -102,7 +102,9 @@ export const Explore = ({ setDesktopViewMode }) => {
             fontSize: '1rem',
           }}
         >
-          {t('tutorial:initial.general_chat', { postProcess: 'capitalize' })}
+          {t('tutorial:initial.general_chat', {
+            postProcess: 'capitalizeFirst',
+          })}
         </Typography>
       </ButtonBase>
 
@@ -129,7 +131,7 @@ export const Explore = ({ setDesktopViewMode }) => {
             fontSize: '1rem',
           }}
         >
-          {t('core:wallet.wallet_other', { postProcess: 'capitalize' })}
+          {t('core:wallet.wallet_other', { postProcess: 'capitalizeFirst' })}
         </Typography>
       </ButtonBase>
     </Box>
diff --git a/src/components/GlobalActions/JoinGroup.tsx b/src/components/GlobalActions/JoinGroup.tsx
index a56d642..a6ec98f 100644
--- a/src/components/GlobalActions/JoinGroup.tsx
+++ b/src/components/GlobalActions/JoinGroup.tsx
@@ -72,7 +72,7 @@ export const JoinGroup = () => {
       await show({
         message: t('group:question.perform_transaction', {
           action: 'JOIN_GROUP',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -89,7 +89,7 @@ export const JoinGroup = () => {
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_join', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
 
@@ -100,11 +100,11 @@ export const JoinGroup = () => {
                     type: 'joined-group',
                     label: t('group:message.success.group_join_label', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     labelDone: t('group:message.success.group_join_label', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     done: false,
                     groupId,
@@ -118,11 +118,11 @@ export const JoinGroup = () => {
                     type: 'joined-group-request',
                     label: t('group:message.success.group_join_request', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     labelDone: t('group:message.success.group_join_outcome', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     done: false,
                     groupId,
@@ -147,7 +147,9 @@ export const JoinGroup = () => {
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -205,7 +207,7 @@ export const JoinGroup = () => {
                 fontWeight: 600,
               }}
             >
-              {t('group:group.name', { postProcess: 'capitalize' })}:{' '}
+              {t('group:group.name', { postProcess: 'capitalizeFirst' })}:{' '}
               {` ${groupInfo?.groupName}`}
             </Typography>
 
@@ -215,8 +217,10 @@ export const JoinGroup = () => {
                 fontWeight: 600,
               }}
             >
-              {t('group:group.member_number', { postProcess: 'capitalize' })}:{' '}
-              {` ${groupInfo?.memberCount}`}
+              {t('group:group.member_number', {
+                postProcess: 'capitalizeFirst',
+              })}
+              : {` ${groupInfo?.memberCount}`}
             </Typography>
 
             {groupInfo?.description && (
@@ -237,7 +241,7 @@ export const JoinGroup = () => {
                 }}
               >
                 {t('group:message.generic.already_in_group', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             )}
@@ -249,7 +253,7 @@ export const JoinGroup = () => {
                 }}
               >
                 {t('group:message.generic.closed_group', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             )}
@@ -276,7 +280,7 @@ export const JoinGroup = () => {
               }}
             >
               {t('core:action.join', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </CustomButtonAccept>
           </ButtonBase>
@@ -291,7 +295,7 @@ export const JoinGroup = () => {
             onClick={() => setIsOpen(false)}
           >
             {t('core:action.close', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </CustomButtonAccept>
         </DialogActions>
diff --git a/src/components/Group/AddGroup.tsx b/src/components/Group/AddGroup.tsx
index 8b91ebe..b1da7e5 100644
--- a/src/components/Group/AddGroup.tsx
+++ b/src/components/Group/AddGroup.tsx
@@ -105,13 +105,13 @@ export const AddGroup = ({ address, open, setOpen }) => {
       if (!name)
         throw new Error(
           t('group:message.error.name_required', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
         );
       if (!description)
         throw new Error(
           t('group:message.error.description_required', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
         );
 
@@ -120,7 +120,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
       await show({
         message: t('group:question.perform_transaction', {
           action: 'CREATE_GROUP',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -140,7 +140,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_creation', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -150,11 +150,11 @@ export const AddGroup = ({ address, open, setOpen }) => {
                   type: 'created-group',
                   label: t('group:message.success.group_creation_name', {
                     group_name: name,
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                   labelDone: t('group:message.success.group_creation_label', {
                     group_name: name,
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                   done: false,
                 },
@@ -172,7 +172,9 @@ export const AddGroup = ({ address, open, setOpen }) => {
             rej({
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
           });
       });
@@ -225,7 +227,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
         >
           <Toolbar>
             <Typography sx={{ ml: 2, flex: 1 }} variant="h4" component="div">
-              {t('group:group.management', { postProcess: 'capitalize' })}
+              {t('group:group.management', { postProcess: 'capitalizeFirst' })}
             </Typography>
 
             <IconButton
@@ -267,7 +269,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
             >
               <Tab
                 label={t('group:action.create_group', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
                 {...a11yProps(0)}
                 sx={{
@@ -279,7 +281,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
               />
               <Tab
                 label={t('group:action.find_group', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
                 {...a11yProps(1)}
                 sx={{
@@ -291,7 +293,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
               />
               <Tab
                 label={t('group:group.invites', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
                 {...a11yProps(2)}
                 sx={{
@@ -328,13 +330,13 @@ export const AddGroup = ({ address, open, setOpen }) => {
                 >
                   <Label>
                     {t('group:group.name', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </Label>
 
                   <Input
                     placeholder={t('group:group.name', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                     value={name}
                     onChange={(e) => setName(e.target.value)}
@@ -350,13 +352,13 @@ export const AddGroup = ({ address, open, setOpen }) => {
                 >
                   <Label>
                     {t('group:group.description', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </Label>
 
                   <Input
                     placeholder={t('group:group.description', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                     value={description}
                     onChange={(e) => setDescription(e.target.value)}
@@ -372,7 +374,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
                 >
                   <Label>
                     {t('group:group.type', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </Label>
 
@@ -385,12 +387,12 @@ export const AddGroup = ({ address, open, setOpen }) => {
                   >
                     <MenuItem value={1}>
                       {t('group:group.open', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </MenuItem>
                     <MenuItem value={0}>
                       {t('group:group.closed', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </MenuItem>
                   </Select>
@@ -407,7 +409,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
                 >
                   <Typography>
                     {t('group:advanced_options', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </Typography>
 
@@ -424,7 +426,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
                   >
                     <Label>
                       {t('group:approval_threshold', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </Label>
 
@@ -437,12 +439,12 @@ export const AddGroup = ({ address, open, setOpen }) => {
                     >
                       <MenuItem value={0}>
                         {t('core:count.none', {
-                          postProcess: 'capitalize',
+                          postProcess: 'capitalizeFirst',
                         })}
                       </MenuItem>
                       <MenuItem value={1}>
                         {t('core:count.one', {
-                          postProcess: 'capitalize',
+                          postProcess: 'capitalizeFirst',
                         })}
                       </MenuItem>
                       <MenuItem value={20}>20%</MenuItem>
@@ -462,7 +464,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
                   >
                     <Label>
                       {t('group:block_delay.minimum', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </Label>
 
@@ -521,7 +523,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
                   >
                     <Label>
                       {t('group:block_delay.maximum', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </Label>
 
@@ -582,7 +584,7 @@ export const AddGroup = ({ address, open, setOpen }) => {
                     onClick={handleCreateGroup}
                   >
                     {t('group:action.create_group', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </Button>
                 </Box>
diff --git a/src/components/Group/AddGroupList.tsx b/src/components/Group/AddGroupList.tsx
index 49dce3d..5c577f1 100644
--- a/src/components/Group/AddGroupList.tsx
+++ b/src/components/Group/AddGroupList.tsx
@@ -115,7 +115,7 @@ export const AddGroupList = ({ setInfoSnack, setOpenSnack }) => {
       await show({
         message: t('group:question.perform_transaction', {
           action: 'JOIN_GROUP',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -131,7 +131,7 @@ export const AddGroupList = ({ setInfoSnack, setOpenSnack }) => {
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.join_group', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
 
@@ -142,11 +142,11 @@ export const AddGroupList = ({ setInfoSnack, setOpenSnack }) => {
                     type: 'joined-group',
                     label: t('group:message.success.group_join_label', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     labelDone: t('group:message.success.group_join_label', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     done: false,
                     groupId,
@@ -160,11 +160,11 @@ export const AddGroupList = ({ setInfoSnack, setOpenSnack }) => {
                     type: 'joined-group-request',
                     label: t('group:message.success.group_join_request', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     labelDone: t('group:message.success.group_join_outcome', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     done: false,
                     groupId,
@@ -243,7 +243,7 @@ export const AddGroupList = ({ setInfoSnack, setOpenSnack }) => {
                   }}
                 >
                   <Typography>
-                    {t('core:action.join', { postProcess: 'capitalize' })}{' '}
+                    {t('core:action.join', { postProcess: 'capitalizeFirst' })}{' '}
                     {group?.groupName}
                   </Typography>
                   <Typography>
@@ -257,7 +257,7 @@ export const AddGroupList = ({ setInfoSnack, setOpenSnack }) => {
                     onClick={() => handleJoinGroup(group, group?.isOpen)}
                   >
                     {t('group:action.join_group', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </LoadingButton>
                 </Box>
diff --git a/src/components/Group/Forum/GroupMail.tsx b/src/components/Group/Forum/GroupMail.tsx
index 41f75ef..c1718a5 100644
--- a/src/components/Group/Forum/GroupMail.tsx
+++ b/src/components/Group/Forum/GroupMail.tsx
@@ -170,7 +170,9 @@ export const GroupMail = ({
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -754,7 +756,7 @@ export const GroupMail = ({
                       <ThreadSingleLastMessageP>
                         <ThreadSingleLastMessageSpanP>
                           {t('group:last_message', {
-                            postProcess: 'capitalize',
+                            postProcess: 'capitalizeFirst',
                           })}
                           :{' '}
                         </ThreadSingleLastMessageSpanP>
@@ -791,7 +793,7 @@ export const GroupMail = ({
                     }}
                   >
                     {t('core:page.last', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </Typography>
                   <ArrowForwardIosIcon
@@ -825,7 +827,7 @@ export const GroupMail = ({
         open={isLoading}
         info={{
           message: t('group:message.success.loading_threads', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
         }}
       />
diff --git a/src/components/Group/Forum/NewThread.tsx b/src/components/Group/Forum/NewThread.tsx
index 0212702..4a561f5 100644
--- a/src/components/Group/Forum/NewThread.tsx
+++ b/src/components/Group/Forum/NewThread.tsx
@@ -183,19 +183,19 @@ export const NewThread = ({
 
       if (!isMessage && !threadTitle) {
         errorMsg = t('group:question.provide_thread', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
       }
 
       if (!name) {
         errorMsg = t('group:message.error.access_name', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
       }
 
       if (!groupInfo) {
         errorMsg = t('group:message.error.group_info', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
       }
 
@@ -204,7 +204,7 @@ export const NewThread = ({
         const missingFieldsString = missingFields.join(', ');
         const errMsg = t('core:message.error.missing_fields', {
           field: missingFieldsString,
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
         errorMsg = errMsg;
       }
@@ -217,7 +217,7 @@ export const NewThread = ({
 
       if (!htmlContent?.trim() || htmlContent?.trim() === '<p></p>') {
         const errMsg = t('group:message.generic.provide_message', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
         throw new Error(errMsg);
       }
@@ -231,7 +231,7 @@ export const NewThread = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'ARBITRARY',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: feeToShow + ' QORT',
       });
@@ -257,7 +257,7 @@ export const NewThread = ({
         isPrivate === false ? null : await getSecretKey(false, true);
       if (!secretKey && isPrivate) {
         const errMsg = t('group:message.error.group_secret_key', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         });
         throw new Error(errMsg);
       }
@@ -320,7 +320,7 @@ export const NewThread = ({
         setInfoSnack({
           type: 'success',
           message: t('group:message.success.thread_creation', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
         });
         setOpenSnack(true);
@@ -332,7 +332,7 @@ export const NewThread = ({
       } else {
         if (!currentThread) {
           const errMsg = t('group:message.error.thread_id', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           });
           throw new Error(errMsg);
         }
@@ -360,7 +360,7 @@ export const NewThread = ({
         setInfoSnack({
           type: 'success',
           message: t('group:message.success.post_creation', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
         });
         setOpenSnack(true);
@@ -404,10 +404,10 @@ export const NewThread = ({
         <ComposeP>
           {currentThread
             ? t('core:action.new.post', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })
             : t('core:action.new.thread', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
         </ComposeP>
       </ComposeContainer>
@@ -437,10 +437,10 @@ export const NewThread = ({
           <NewMessageHeaderP>
             {isMessage
               ? t('core:action.post_message', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })
               : t('core:action.new.thread', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
           </NewMessageHeaderP>
 
@@ -562,10 +562,10 @@ export const NewThread = ({
             <NewMessageSendP>
               {isMessage
                 ? t('core:action.post', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })
                 : t('core:action.create_thread', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
             </NewMessageSendP>
 
diff --git a/src/components/Group/Forum/Thread.tsx b/src/components/Group/Forum/Thread.tsx
index a6c2d0f..447200e 100644
--- a/src/components/Group/Forum/Thread.tsx
+++ b/src/components/Group/Forum/Thread.tsx
@@ -609,7 +609,7 @@ export const Thread = ({
             <ReturnIcon />
             <ComposeP>
               {t('group:action.return_to_thread', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </ComposeP>
           </ShowMessageReturnButton>
@@ -688,7 +688,7 @@ export const Thread = ({
               disabled={!hasFirstPage}
               variant="contained"
             >
-              {t('core:page.first', { postProcess: 'capitalize' })}
+              {t('core:page.first', { postProcess: 'capitalizeFirst' })}
             </Button>
 
             <Button
@@ -707,7 +707,7 @@ export const Thread = ({
               disabled={!hasPreviousPage}
               variant="contained"
             >
-              {t('core:page.previous', { postProcess: 'capitalize' })}
+              {t('core:page.previous', { postProcess: 'capitalizeFirst' })}
             </Button>
 
             <Button
@@ -726,7 +726,7 @@ export const Thread = ({
               disabled={!hasNextPage}
               variant="contained"
             >
-              {t('core:page.next', { postProcess: 'capitalize' })}
+              {t('core:page.next', { postProcess: 'capitalizeFirst' })}
             </Button>
 
             <Button
@@ -745,7 +745,7 @@ export const Thread = ({
               disabled={!hasLastPage}
               variant="contained"
             >
-              {t('core:page.last', { postProcess: 'capitalize' })}
+              {t('core:page.last', { postProcess: 'capitalizeFirst' })}
             </Button>
           </Box>
 
@@ -929,7 +929,9 @@ export const Thread = ({
                         fontSize: '18px',
                       }}
                     >
-                      {t('core:downloading_qdn', { postProcess: 'capitalize' })}
+                      {t('core:downloading_qdn', {
+                        postProcess: 'capitalizeFirst',
+                      })}
                     </Typography>
                   </Box>
                 </Box>
@@ -961,7 +963,7 @@ export const Thread = ({
                   }}
                 >
                   {t('group:action.refetch_page', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Button>
               </Box>
@@ -1000,7 +1002,7 @@ export const Thread = ({
                 disabled={!hasFirstPage}
                 variant="contained"
               >
-                {t('core:page.first', { postProcess: 'capitalize' })}
+                {t('core:page.first', { postProcess: 'capitalizeFirst' })}
               </Button>
 
               <Button
@@ -1019,7 +1021,7 @@ export const Thread = ({
                 disabled={!hasPreviousPage}
                 variant="contained"
               >
-                {t('core:page.previous', { postProcess: 'capitalize' })}
+                {t('core:page.previous', { postProcess: 'capitalizeFirst' })}
               </Button>
 
               <Button
@@ -1038,7 +1040,7 @@ export const Thread = ({
                 disabled={!hasNextPage}
                 variant="contained"
               >
-                {t('core:page.next', { postProcess: 'capitalize' })}
+                {t('core:page.next', { postProcess: 'capitalizeFirst' })}
               </Button>
 
               <Button
@@ -1057,7 +1059,7 @@ export const Thread = ({
                 disabled={!hasLastPage}
                 variant="contained"
               >
-                {t('core:page.last', { postProcess: 'capitalize' })}
+                {t('core:page.last', { postProcess: 'capitalizeFirst' })}
               </Button>
             </Box>
 
@@ -1071,7 +1073,7 @@ export const Thread = ({
       <LoadingSnackbar
         open={isLoading}
         info={{
-          message: t('core:loading_posts', { postProcess: 'capitalize' }),
+          message: t('core:loading_posts', { postProcess: 'capitalizeFirst' }),
         }}
       />
     </GroupContainer>
diff --git a/src/components/Group/Group.tsx b/src/components/Group/Group.tsx
index a7e330d..b524697 100644
--- a/src/components/Group/Group.tsx
+++ b/src/components/Group/Group.tsx
@@ -514,7 +514,9 @@ export const Group = ({
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -543,7 +545,9 @@ export const Group = ({
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -575,7 +579,9 @@ export const Group = ({
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -1098,7 +1104,9 @@ export const Group = ({
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -1995,7 +2003,7 @@ export const Group = ({
                 }}
               >
                 {t('group:message.generic.no_selection', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Box>
@@ -2094,7 +2102,7 @@ export const Group = ({
                     {' '}
                     <Typography>
                       {t('group:message.generic.encryption_key', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </Typography>
                   </div>
@@ -2120,21 +2128,21 @@ export const Group = ({
                       {' '}
                       <Typography>
                         {t('group:message.generic.not_part_group', {
-                          postProcess: 'capitalize',
+                          postProcess: 'capitalizeFirst',
                         })}
                       </Typography>
                       <Spacer height="25px" />
                       <Typography>
                         <strong>
                           {t('group:message.generic.only_encrypted', {
-                            postProcess: 'capitalize',
+                            postProcess: 'capitalizeFirst',
                           })}
                         </strong>
                       </Typography>
                       <Spacer height="25px" />
                       <Typography>
                         {t('group:message.generic.notify_admins', {
-                          postProcess: 'capitalize',
+                          postProcess: 'capitalizeFirst',
                         })}
                       </Typography>
                       <Spacer height="25px" />
@@ -2156,7 +2164,7 @@ export const Group = ({
                               onClick={() => notifyAdmin(admin)}
                             >
                               {t('core:action.notify', {
-                                postProcess: 'capitalize',
+                                postProcess: 'capitalizeFirst',
                               })}
                             </LoadingButton>
                           </Box>
@@ -2381,7 +2389,7 @@ export const Group = ({
             message:
               isLoadingGroupMessage ||
               t('group:message.generic.setting_group', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               }),
           }}
         />
@@ -2390,7 +2398,7 @@ export const Group = ({
           open={isLoadingGroups}
           info={{
             message: t('group:message.generic.setting_group', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             }),
           }}
         />
diff --git a/src/components/Group/GroupInvites.tsx b/src/components/Group/GroupInvites.tsx
index ca3f32c..f3da8a0 100644
--- a/src/components/Group/GroupInvites.tsx
+++ b/src/components/Group/GroupInvites.tsx
@@ -71,7 +71,7 @@ export const GroupInvites = ({ myAddress, setOpenAddGroup }) => {
             fontSize: '1rem',
           }}
         >
-          {t('group:group.invites', { postProcess: 'capitalize' })}{' '}
+          {t('group:group.invites', { postProcess: 'capitalizeFirst' })}{' '}
           {groupsWithJoinRequests?.length > 0 &&
             ` (${groupsWithJoinRequests?.length})`}
         </Typography>
@@ -131,7 +131,7 @@ export const GroupInvites = ({ myAddress, setOpenAddGroup }) => {
                 }}
               >
                 {t('group:message.generic.no_display', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Box>
@@ -181,7 +181,7 @@ export const GroupInvites = ({ myAddress, setOpenAddGroup }) => {
                       }}
                       primary={t('group:message.generic.group_invited_you', {
                         group: group?.groupName,
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     />
                   </ListItemButton>
diff --git a/src/components/Group/GroupJoinRequests.tsx b/src/components/Group/GroupJoinRequests.tsx
index 15304f5..0991edb 100644
--- a/src/components/Group/GroupJoinRequests.tsx
+++ b/src/components/Group/GroupJoinRequests.tsx
@@ -144,7 +144,7 @@ export const GroupJoinRequests = ({
             fontSize: '1rem',
           }}
         >
-          {t('group:join_requests', { postProcess: 'capitalize' })}{' '}
+          {t('group:join_requests', { postProcess: 'capitalizeFirst' })}{' '}
           {filteredJoinRequests?.filter((group) => group?.data?.length > 0)
             ?.length > 0 &&
             ` (${filteredJoinRequests?.filter((group) => group?.data?.length > 0)?.length})`}
@@ -207,7 +207,7 @@ export const GroupJoinRequests = ({
                   }}
                 >
                   {t('group:message.generic.no_display', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               </Box>
diff --git a/src/components/Group/HomeDesktop.tsx b/src/components/Group/HomeDesktop.tsx
index 83f8828..c270df0 100644
--- a/src/components/Group/HomeDesktop.tsx
+++ b/src/components/Group/HomeDesktop.tsx
@@ -85,7 +85,7 @@ export const HomeDesktop = ({
             padding: '10px',
           }}
         >
-          {t('core:welcome', { postProcess: 'capitalize' })}
+          {t('core:welcome', { postProcess: 'capitalizeFirst' })}
           {userInfo?.name ? (
             <span
               style={{
@@ -217,7 +217,9 @@ export const HomeDesktop = ({
                     fontSize: '1rem',
                   }}
                 >
-                  {t('tutorial:initial.explore', { postProcess: 'capitalize' })}
+                  {t('tutorial:initial.explore', {
+                    postProcess: 'capitalizeFirst',
+                  })}
                 </Typography>{' '}
               </Box>
             </Divider>
diff --git a/src/components/Group/InviteMember.tsx b/src/components/Group/InviteMember.tsx
index 24ff960..94414ba 100644
--- a/src/components/Group/InviteMember.tsx
+++ b/src/components/Group/InviteMember.tsx
@@ -19,7 +19,7 @@ export const InviteMember = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
       await show({
         message: t('group:question.perform_transaction', {
           action: 'GROUP_INVITE',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -40,7 +40,7 @@ export const InviteMember = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
                 type: 'success',
                 message: t('group:message.success.group_invite', {
                   value: value,
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -61,7 +61,7 @@ export const InviteMember = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
               message:
                 error?.message ||
                 t('core:message.error.generic', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
             });
             setOpenSnack(true);
@@ -86,7 +86,7 @@ export const InviteMember = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
         flexDirection: 'column',
       }}
     >
-      {t('group:action.invite_member', { postProcess: 'capitalize' })}
+      {t('group:action.invite_member', { postProcess: 'capitalizeFirst' })}
 
       <Spacer height="20px" />
 
@@ -99,14 +99,14 @@ export const InviteMember = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
       <Spacer height="20px" />
 
       <Label>
-        {t('group:invitation_expiry', { postProcess: 'capitalize' })}
+        {t('group:invitation_expiry', { postProcess: 'capitalizeFirst' })}
       </Label>
 
       <Select
         labelId="demo-simple-select-label"
         id="demo-simple-select"
         value={expiryTime}
-        label={t('group:invitation_expiry', { postProcess: 'capitalize' })}
+        label={t('group:invitation_expiry', { postProcess: 'capitalizeFirst' })}
         onChange={handleChange}
       >
         <MenuItem value={10800}>{t('core:time.hour', { count: 3 })}</MenuItem>
@@ -129,7 +129,7 @@ export const InviteMember = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
         loading={isLoadingInvite}
         onClick={inviteMember}
       >
-        {t('core:action.invite', { postProcess: 'capitalize' })}
+        {t('core:action.invite', { postProcess: 'capitalizeFirst' })}
       </LoadingButton>
     </Box>
   );
diff --git a/src/components/Group/ListOfBans.tsx b/src/components/Group/ListOfBans.tsx
index 3d063c5..596744d 100644
--- a/src/components/Group/ListOfBans.tsx
+++ b/src/components/Group/ListOfBans.tsx
@@ -90,7 +90,7 @@ export const ListOfBans = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
       await show({
         message: t('group:question.perform_transaction', {
           action: 'CANCEL_GROUP_BAN',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -108,7 +108,7 @@ export const ListOfBans = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.unbanned_user', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               handlePopoverClose();
@@ -184,7 +184,7 @@ export const ListOfBans = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
                     onClick={() => handleCancelBan(member?.offender)}
                   >
                     {t('group:action.cancel_ban', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </LoadingButton>
                 </Box>
@@ -214,7 +214,7 @@ export const ListOfBans = ({ groupId, setInfoSnack, setOpenSnack, show }) => {
 
   return (
     <div>
-      <p>{t('group:ban_list', { postProcess: 'capitalize' })}</p>
+      <p>{t('group:ban_list', { postProcess: 'capitalizeFirst' })}</p>
       <div
         style={{
           display: 'flex',
diff --git a/src/components/Group/ListOfGroupPromotions.tsx b/src/components/Group/ListOfGroupPromotions.tsx
index 832f029..ab92df4 100644
--- a/src/components/Group/ListOfGroupPromotions.tsx
+++ b/src/components/Group/ListOfGroupPromotions.tsx
@@ -240,14 +240,16 @@ export const ListOfGroupPromotions = () => {
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
       setInfoSnack({
         type: 'success',
         message: t('group:message.success.group_promotion', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
       });
       setOpenSnack(true);
@@ -260,7 +262,7 @@ export const ListOfGroupPromotions = () => {
         message:
           error?.message ||
           t('group:message.error.group_promotion', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
       });
       setOpenSnack(true);
@@ -276,7 +278,7 @@ export const ListOfGroupPromotions = () => {
       await show({
         message: t('group:question.perform_transaction', {
           action: 'JOIN_GROUP',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -291,7 +293,7 @@ export const ListOfGroupPromotions = () => {
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_join', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
 
@@ -302,11 +304,11 @@ export const ListOfGroupPromotions = () => {
                     type: 'joined-group',
                     label: t('group:message.success.group_join_label', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     labelDone: t('group:message.success.group_join_label', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     done: false,
                     groupId,
@@ -320,11 +322,11 @@ export const ListOfGroupPromotions = () => {
                     type: 'joined-group-request',
                     label: t('group:message.success.group_join_request', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     labelDone: t('group:message.success.group_join_outcome', {
                       group_name: group?.groupName,
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     done: false,
                     groupId,
@@ -350,7 +352,9 @@ export const ListOfGroupPromotions = () => {
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -399,7 +403,7 @@ export const ListOfGroupPromotions = () => {
               fontSize: '1rem',
             }}
           >
-            {t('group:group.promotions', { postProcess: 'capitalize' })}{' '}
+            {t('group:group.promotions', { postProcess: 'capitalizeFirst' })}{' '}
             {promotions.length > 0 && ` (${promotions.length})`}
           </Typography>
 
@@ -458,7 +462,9 @@ export const ListOfGroupPromotions = () => {
                   fontSize: '12px',
                 }}
               >
-                {t('group.action.add_promotion', { postProcess: 'capitalize' })}
+                {t('group.action.add_promotion', {
+                  postProcess: 'capitalizeFirst',
+                })}
               </Button>
             </Box>
 
@@ -505,7 +511,7 @@ export const ListOfGroupPromotions = () => {
                   }}
                 >
                   {t('group.message.generic.no_display', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               </Box>
@@ -570,7 +576,7 @@ export const ListOfGroupPromotions = () => {
                             fallback={
                               <Typography>
                                 {t('group.message.generic.invalid_data', {
-                                  postProcess: 'capitalize',
+                                  postProcess: 'capitalizeFirst',
                                 })}
                               </Typography>
                             }
@@ -622,7 +628,7 @@ export const ListOfGroupPromotions = () => {
                                     }}
                                   >
                                     {t('group:group.name', {
-                                      postProcess: 'capitalize',
+                                      postProcess: 'capitalizeFirst',
                                     })}
                                     : {` ${promotion?.groupName}`}
                                   </Typography>
@@ -634,7 +640,7 @@ export const ListOfGroupPromotions = () => {
                                     }}
                                   >
                                     {t('group:group.member_number', {
-                                      postProcess: 'capitalize',
+                                      postProcess: 'capitalizeFirst',
                                     })}
                                     : {` ${promotion?.memberCount}`}
                                   </Typography>
@@ -658,7 +664,7 @@ export const ListOfGroupPromotions = () => {
                                       }}
                                     >
                                       {t('group:message.generic.closed_group', {
-                                        postProcess: 'capitalize',
+                                        postProcess: 'capitalizeFirst',
                                       })}
                                     </Typography>
                                   )}
@@ -681,7 +687,7 @@ export const ListOfGroupPromotions = () => {
                                       onClick={handlePopoverClose}
                                     >
                                       {t('core:action.close', {
-                                        postProcess: 'capitalize',
+                                        postProcess: 'capitalizeFirst',
                                       })}
                                     </LoadingButton>
 
@@ -697,7 +703,7 @@ export const ListOfGroupPromotions = () => {
                                       }
                                     >
                                       {t('core:action.join', {
-                                        postProcess: 'capitalize',
+                                        postProcess: 'capitalizeFirst',
                                       })}
                                     </LoadingButton>
                                   </Box>
@@ -783,10 +789,10 @@ export const ListOfGroupPromotions = () => {
                                 >
                                   {promotion?.isOpen
                                     ? t('group:group.public', {
-                                        postProcess: 'capitalize',
+                                        postProcess: 'capitalizeFirst',
                                       })
                                     : t('group:group.private', {
-                                        postProcess: 'capitalize',
+                                        postProcess: 'capitalizeFirst',
                                       })}
                                 </Typography>
                               </Box>
@@ -822,7 +828,7 @@ export const ListOfGroupPromotions = () => {
                                   }}
                                 >
                                   {t('group:action.join_group', {
-                                    postProcess: 'capitalize',
+                                    postProcess: 'capitalizeFirst',
                                   })}
                                   : {` ${promotion?.groupName}`}
                                 </Button>
@@ -850,19 +856,19 @@ export const ListOfGroupPromotions = () => {
         aria-describedby="alert-dialog-description"
       >
         <DialogTitle id="alert-dialog-title">
-          {t('group:action.promote_group', { postProcess: 'capitalize' })}
+          {t('group:action.promote_group', { postProcess: 'capitalizeFirst' })}
         </DialogTitle>
 
         <DialogContent>
           <DialogContentText id="alert-dialog-description">
             {t('group:message.generic.latest_promotion', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </DialogContentText>
 
           <DialogContentText id="alert-dialog-description2">
             {t('group:message.generic.max_chars', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
             : {fee && fee} {' QORT'}
           </DialogContentText>
@@ -878,13 +884,13 @@ export const ListOfGroupPromotions = () => {
           >
             <Label>
               {t('group:action.select_group', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Label>
 
             <Label>
               {t('group:message.generic.admin_only', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Label>
 
@@ -936,7 +942,7 @@ export const ListOfGroupPromotions = () => {
             onClick={() => setIsShowModal(false)}
           >
             {t('core:action.close', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Button>
           <Button
@@ -946,7 +952,7 @@ export const ListOfGroupPromotions = () => {
             autoFocus
           >
             {t('core:action.publish', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Button>
         </DialogActions>
diff --git a/src/components/Group/ListOfInvites.tsx b/src/components/Group/ListOfInvites.tsx
index 50b3424..64927a8 100644
--- a/src/components/Group/ListOfInvites.tsx
+++ b/src/components/Group/ListOfInvites.tsx
@@ -96,7 +96,7 @@ export const ListOfInvites = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'CANCEL_GROUP_INVITE',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -114,7 +114,7 @@ export const ListOfInvites = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.invitation_cancellation', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -136,7 +136,7 @@ export const ListOfInvites = ({
               message:
                 error.message ||
                 t('core:message.error.generic', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
             });
             setOpenSnack(true);
@@ -196,7 +196,7 @@ export const ListOfInvites = ({
                     onClick={() => handleCancelInvitation(member?.invitee)}
                   >
                     {t('core:action.cancel_invitation', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </LoadingButton>
                 </Box>
@@ -229,7 +229,7 @@ export const ListOfInvites = ({
     <div>
       <p>
         {t('group:invitees_list', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         })}
       </p>
       <div
diff --git a/src/components/Group/ListOfJoinRequests.tsx b/src/components/Group/ListOfJoinRequests.tsx
index bb3a928..85b3642 100644
--- a/src/components/Group/ListOfJoinRequests.tsx
+++ b/src/components/Group/ListOfJoinRequests.tsx
@@ -99,7 +99,7 @@ export const ListOfJoinRequests = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'GROUP_INVITE',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -119,7 +119,7 @@ export const ListOfJoinRequests = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success,group_join', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -130,10 +130,10 @@ export const ListOfJoinRequests = ({
                   ...response,
                   type: 'join-request-accept',
                   label: t('group:message.success,invitation_request', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                   labelDone: t('group:message.success,user_joined', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                   done: false,
                   groupId,
@@ -157,7 +157,9 @@ export const ListOfJoinRequests = ({
               type: 'error',
               message:
                 error?.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -223,7 +225,9 @@ export const ListOfJoinRequests = ({
                     variant="contained"
                     onClick={() => handleAcceptJoinRequest(member?.joiner)}
                   >
-                    {t('core:action.accept', { postProcess: 'capitalize' })}
+                    {t('core:action.accept', {
+                      postProcess: 'capitalizeFirst',
+                    })}
                   </LoadingButton>
                 </Box>
               </Popover>
@@ -252,7 +256,7 @@ export const ListOfJoinRequests = ({
 
   return (
     <div>
-      <p>{t('core:list.join_request', { postProcess: 'capitalize' })}</p>
+      <p>{t('core:list.join_request', { postProcess: 'capitalizeFirst' })}</p>
       <div
         style={{
           position: 'relative',
diff --git a/src/components/Group/ListOfMembers.tsx b/src/components/Group/ListOfMembers.tsx
index e9a1730..b605758 100644
--- a/src/components/Group/ListOfMembers.tsx
+++ b/src/components/Group/ListOfMembers.tsx
@@ -61,7 +61,7 @@ const ListOfMembers = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'GROUP_KICK',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -78,7 +78,7 @@ const ListOfMembers = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_kick', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -98,7 +98,9 @@ const ListOfMembers = ({
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -117,7 +119,7 @@ const ListOfMembers = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'GROUP_BAN',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -136,7 +138,7 @@ const ListOfMembers = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_ban', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -156,7 +158,9 @@ const ListOfMembers = ({
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -175,7 +179,7 @@ const ListOfMembers = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'ADD_GROUP_ADMIN',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -191,7 +195,7 @@ const ListOfMembers = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_member_admin', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -211,7 +215,9 @@ const ListOfMembers = ({
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -230,7 +236,7 @@ const ListOfMembers = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'REMOVE_GROUP_ADMIN',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -246,7 +252,7 @@ const ListOfMembers = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_remove_member', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -266,7 +272,9 @@ const ListOfMembers = ({
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -326,7 +334,7 @@ const ListOfMembers = ({
                       onClick={() => handleKick(member?.member)}
                     >
                       {t('group:action.kick_member', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </LoadingButton>
 
@@ -337,7 +345,7 @@ const ListOfMembers = ({
                       onClick={() => handleBan(member?.member)}
                     >
                       {t('group:action.ban', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </LoadingButton>
 
@@ -348,7 +356,7 @@ const ListOfMembers = ({
                       onClick={() => makeAdmin(member?.member)}
                     >
                       {t('group:action.make_admin', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </LoadingButton>
 
@@ -359,7 +367,7 @@ const ListOfMembers = ({
                       onClick={() => removeAdmin(member?.member)}
                     >
                       {t('group:action.remove_admin', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </LoadingButton>
                   </>
@@ -394,7 +402,7 @@ const ListOfMembers = ({
                     }}
                   >
                     {t('core:admin', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </Typography>
                 )}
@@ -410,7 +418,7 @@ const ListOfMembers = ({
     <div>
       <p>
         {t('core:list.member', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         })}
       </p>
       <div
diff --git a/src/components/Group/ListOfThreadPostsWatched.tsx b/src/components/Group/ListOfThreadPostsWatched.tsx
index b03588c..af9e1f0 100644
--- a/src/components/Group/ListOfThreadPostsWatched.tsx
+++ b/src/components/Group/ListOfThreadPostsWatched.tsx
@@ -46,7 +46,9 @@ export const ListOfThreadPostsWatched = () => {
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -85,7 +87,7 @@ export const ListOfThreadPostsWatched = () => {
           }}
         >
           {t('group:thread_posts', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
           :
         </Typography>
@@ -133,7 +135,7 @@ export const ListOfThreadPostsWatched = () => {
               }}
             >
               {t('group:message.generic.no_display', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Typography>
           </Box>
diff --git a/src/components/Group/ManageMembers.tsx b/src/components/Group/ManageMembers.tsx
index 5768f97..db2444a 100644
--- a/src/components/Group/ManageMembers.tsx
+++ b/src/components/Group/ManageMembers.tsx
@@ -86,7 +86,7 @@ export const ManageMembers = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'LEAVE_GROUP',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -104,11 +104,11 @@ export const ManageMembers = ({
                   type: 'leave-group',
                   label: t('group:message.success.group_leave_name', {
                     group_name: selectedGroup?.groupName,
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                   labelDone: t('group:message.success.group_leave_label', {
                     group_name: selectedGroup?.groupName,
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                   done: false,
                   groupId: selectedGroup?.groupId,
@@ -119,7 +119,7 @@ export const ManageMembers = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_leave', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -130,7 +130,9 @@ export const ManageMembers = ({
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -207,7 +209,9 @@ export const ManageMembers = ({
         >
           <Toolbar>
             <Typography sx={{ ml: 2, flex: 1 }} variant="h4" component="div">
-              {t('group:action.manage_members', { postProcess: 'capitalize' })}
+              {t('group:action.manage_members', {
+                postProcess: 'capitalizeFirst',
+              })}
             </Typography>
 
             <IconButton
@@ -310,18 +314,20 @@ export const ManageMembers = ({
           >
             <Box>
               <Typography>
-                {t('group:group.id', { postProcess: 'capitalize' })}:{' '}
+                {t('group:group.id', { postProcess: 'capitalizeFirst' })}:{' '}
                 {groupInfo?.groupId}
               </Typography>
 
               <Typography>
-                {t('group:group.name', { postProcess: 'capitalize' })}:{' '}
+                {t('group:group.name', { postProcess: 'capitalizeFirst' })}:{' '}
                 {groupInfo?.groupName}
               </Typography>
 
               <Typography>
-                {t('group:group.member_number', { postProcess: 'capitalize' })}:{' '}
-                {groupInfo?.memberCount}
+                {t('group:group.member_number', {
+                  postProcess: 'capitalizeFirst',
+                })}
+                : {groupInfo?.memberCount}
               </Typography>
 
               <ButtonBase
@@ -336,7 +342,7 @@ export const ManageMembers = ({
                 <InsertLinkIcon />
 
                 <Typography>
-                  {t('group:join_link', { postProcess: 'capitalize' })}
+                  {t('group:join_link', { postProcess: 'capitalizeFirst' })}
                 </Typography>
               </ButtonBase>
             </Box>
@@ -351,7 +357,9 @@ export const ManageMembers = ({
                 variant="contained"
                 onClick={handleLeaveGroup}
               >
-                {t('group:action.leave_group', { postProcess: 'capitalize' })}
+                {t('group:action.leave_group', {
+                  postProcess: 'capitalizeFirst',
+                })}
               </LoadingButton>
             )}
           </Card>
@@ -368,7 +376,9 @@ export const ManageMembers = ({
                 variant="contained"
                 onClick={() => getMembersWithNames(selectedGroup?.groupId)}
               >
-                {t('group:action.load_members', { postProcess: 'capitalize' })}
+                {t('group:action.load_members', {
+                  postProcess: 'capitalizeFirst',
+                })}
               </Button>
 
               <Spacer height="10px" />
@@ -465,7 +475,7 @@ export const ManageMembers = ({
           open={isLoadingMembers}
           info={{
             message: t('group:message.generic.loading_members', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             }),
           }}
         />
diff --git a/src/components/Group/QMailMessages.tsx b/src/components/Group/QMailMessages.tsx
index b20f519..e2e4ce5 100644
--- a/src/components/Group/QMailMessages.tsx
+++ b/src/components/Group/QMailMessages.tsx
@@ -92,7 +92,9 @@ export const QMailMessages = ({ userName, userAddress }) => {
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -155,7 +157,7 @@ export const QMailMessages = ({ userName, userAddress }) => {
             fontSize: '1rem',
           }}
         >
-          {t('group:latest_mails', { postProcess: 'capitalize' })}
+          {t('group:latest_mails', { postProcess: 'capitalizeFirst' })}
         </Typography>
 
         <MarkEmailUnreadIcon
@@ -226,7 +228,7 @@ export const QMailMessages = ({ userName, userAddress }) => {
                 }}
               >
                 {t('group:message.generic.no_display', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Box>
diff --git a/src/components/Group/Settings.tsx b/src/components/Group/Settings.tsx
index 70859d4..6ba7e84 100644
--- a/src/components/Group/Settings.tsx
+++ b/src/components/Group/Settings.tsx
@@ -135,7 +135,9 @@ export const Settings = ({ open, setOpen, rawWallet }) => {
           .catch((error) => {
             rej(
               error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' })
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                })
             );
           });
       });
@@ -160,7 +162,7 @@ export const Settings = ({ open, setOpen, rawWallet }) => {
           <Toolbar>
             <Typography sx={{ ml: 2, flex: 1 }} variant="h4" component="div">
               {t('core:general_settings', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Typography>
 
@@ -194,7 +196,7 @@ export const Settings = ({ open, setOpen, rawWallet }) => {
               <LocalNodeSwitch checked={checked} onChange={handleChange} />
             }
             label={t('group:action.disable_push_notifications', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           />
           {window?.electronAPI && (
@@ -212,7 +214,7 @@ export const Settings = ({ open, setOpen, rawWallet }) => {
                 />
               }
               label={t('group:action.enable_dev_mode', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             />
           )}
@@ -236,7 +238,7 @@ const ExportPrivateKey = ({ rawWallet }) => {
       setInfoSnackCustom({
         type: 'info',
         message: t('group:message.generic.descrypt_wallet', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
       });
 
@@ -260,10 +262,10 @@ const ExportPrivateKey = ({ rawWallet }) => {
         message: error?.message
           ? t('group:message.error.decrypt_wallet', {
               errorMessage: error?.message,
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })
           : t('group:message.error.descrypt_wallet', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             }),
       });
 
@@ -281,7 +283,7 @@ const ExportPrivateKey = ({ rawWallet }) => {
         onClick={() => setIsOpen(true)}
       >
         {t('group:action.export_private_key', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         })}
       </Button>
 
@@ -292,7 +294,7 @@ const ExportPrivateKey = ({ rawWallet }) => {
       >
         <DialogTitle id="alert-dialog-title">
           {t('group:action.export_password', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         </DialogTitle>
 
@@ -305,7 +307,7 @@ const ExportPrivateKey = ({ rawWallet }) => {
         >
           <DialogContentText id="alert-dialog-description">
             {t('group:message.generic.secure_place', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </DialogContentText>
 
@@ -326,7 +328,7 @@ const ExportPrivateKey = ({ rawWallet }) => {
                 setInfoSnackCustom({
                   type: 'success',
                   message: t('group:message.generic.private_key_copied', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                 });
 
@@ -334,7 +336,7 @@ const ExportPrivateKey = ({ rawWallet }) => {
               }}
             >
               {t('group:action.copy_private_key', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}{' '}
               <ContentCopyIcon color="primary" />
             </Button>
@@ -351,13 +353,13 @@ const ExportPrivateKey = ({ rawWallet }) => {
             }}
           >
             {t('group:action.cancel', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Button>
 
           <Button variant="contained" onClick={exportPrivateKeyFunc}>
             {t('group:action.decrypt', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Button>
         </DialogActions>
diff --git a/src/components/Group/ThingsToDoInitial.tsx b/src/components/Group/ThingsToDoInitial.tsx
index 94d66ed..f85099e 100644
--- a/src/components/Group/ThingsToDoInitial.tsx
+++ b/src/components/Group/ThingsToDoInitial.tsx
@@ -76,9 +76,9 @@ export const ThingsToDoInitial = ({
           }}
         >
           {!isLoaded
-            ? t('core:loading', { postProcess: 'capitalize' })
+            ? t('core:loading', { postProcess: 'capitalizeFirst' })
             : t('tutorial:initial.getting_started', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
         </Typography>
 
@@ -122,7 +122,7 @@ export const ThingsToDoInitial = ({
                     },
                   }}
                   primary={t('tutorial:initial.6_qort', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 />
 
@@ -171,7 +171,7 @@ export const ThingsToDoInitial = ({
                     },
                   }}
                   primary={t('tutorial:initial.register_name', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 />
                 <ListItemIcon
diff --git a/src/components/Group/UserListOfInvites.tsx b/src/components/Group/UserListOfInvites.tsx
index a79f270..38bc29d 100644
--- a/src/components/Group/UserListOfInvites.tsx
+++ b/src/components/Group/UserListOfInvites.tsx
@@ -101,7 +101,7 @@ export const UserListOfInvites = ({
       await show({
         message: t('group:question.perform_transaction', {
           action: 'JOIN_GROUP',
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -130,7 +130,7 @@ export const UserListOfInvites = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.group_join', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setOpenSnack(true);
@@ -149,7 +149,9 @@ export const UserListOfInvites = ({
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -203,7 +205,7 @@ export const UserListOfInvites = ({
                 >
                   <Typography>
                     {t('core:action.join', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}{' '}
                     {invite?.groupName}
                   </Typography>
@@ -217,7 +219,7 @@ export const UserListOfInvites = ({
                     }
                   >
                     {t('group:action.join_group', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     })}
                   </LoadingButton>
                 </Box>
@@ -265,7 +267,7 @@ export const UserListOfInvites = ({
     >
       <p>
         {t('core:list.invite', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         })}
       </p>
 
diff --git a/src/components/Home/NewUsersCTA.tsx b/src/components/Home/NewUsersCTA.tsx
index 7d5a7b1..b5d330b 100644
--- a/src/components/Home/NewUsersCTA.tsx
+++ b/src/components/Home/NewUsersCTA.tsx
@@ -36,13 +36,15 @@ export const NewUsersCTA = ({ balance }) => {
             textAlign: 'center',
           }}
         >
-          {t('core:message.question.new_user', { postProcess: 'capitalize' })}
+          {t('core:message.question.new_user', {
+            postProcess: 'capitalizeFirst',
+          })}
         </Typography>
 
         <Spacer height="20px" />
 
         <Typography>
-          {t('core:message_us', { postProcess: 'capitalize' })}
+          {t('core:message_us', { postProcess: 'capitalizeFirst' })}
         </Typography>
 
         <Spacer height="20px" />
diff --git a/src/components/Home/QortPrice.tsx b/src/components/Home/QortPrice.tsx
index a9bd62a..7f0d3ee 100644
--- a/src/components/Home/QortPrice.tsx
+++ b/src/components/Home/QortPrice.tsx
@@ -152,7 +152,7 @@ export const QortPrice = () => {
               fontWeight: 'bold',
             }}
           >
-            {t('core:price', { postProcess: 'capitalize' })}
+            {t('core:price', { postProcess: 'capitalizeFirst' })}
           </Typography>
 
           {!ltcPerQort ? (
@@ -184,7 +184,7 @@ export const QortPrice = () => {
             fontWeight: 'bold',
           }}
         >
-          {t('core:supply', { postProcess: 'capitalize' })}
+          {t('core:supply', { postProcess: 'capitalizeFirst' })}
         </Typography>
 
         {!supply ? (
@@ -238,7 +238,7 @@ export const QortPrice = () => {
               fontWeight: 'bold',
             }}
           >
-            {t('core:last_height', { postProcess: 'capitalize' })}
+            {t('core:last_height', { postProcess: 'capitalizeFirst' })}
           </Typography>
 
           {!lastBlock?.height ? (
diff --git a/src/components/Language/LanguageSelector.tsx b/src/components/Language/LanguageSelector.tsx
index ff78246..19008f5 100644
--- a/src/components/Language/LanguageSelector.tsx
+++ b/src/components/Language/LanguageSelector.tsx
@@ -40,7 +40,7 @@ const LanguageSelector = () => {
         <Tooltip
           key={currentLang}
           title={t('core:action.change_language', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })}
         >
           <button
diff --git a/src/components/Minting/Minting.tsx b/src/components/Minting/Minting.tsx
index d7a8d88..0924656 100644
--- a/src/components/Minting/Minting.tsx
+++ b/src/components/Minting/Minting.tsx
@@ -227,7 +227,9 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
             rej({
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
           });
       });
@@ -237,7 +239,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
         message:
           error?.message ||
           t('core:message.error.minting_account_add', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
       });
       setOpenSnack(true);
@@ -275,7 +277,9 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
             rej({
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
           });
       });
@@ -285,7 +289,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
         message:
           error?.message ||
           t('core:message.error.minting_account_remove', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
       });
       setOpenSnack(true);
@@ -300,7 +304,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
       message: t('group:question.perform_transaction', {
         // TODO move from group into core namespace
         action: 'REWARD_SHARE',
-        postProcess: 'capitalize',
+        postProcess: 'capitalizeFirst',
       }),
       publishFee: fee.fee + ' QORT',
     });
@@ -317,10 +321,10 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
                 ...response,
                 type: 'add-rewardShare',
                 label: t('group:message.success.rewardshare_add', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
                 labelDone: t('group:message.success.rewardshare_add_label', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
                 done: false,
               },
@@ -335,7 +339,9 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
           rej({
             message:
               error.message ||
-              t('core:message.error.generic', { postProcess: 'capitalize' }),
+              t('core:message.error.generic', {
+                postProcess: 'capitalizeFirst',
+              }),
           });
         });
     });
@@ -358,7 +364,9 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
           rej({
             message:
               error.message ||
-              t('core:message.error.generic', { postProcess: 'capitalize' }),
+              t('core:message.error.generic', {
+                postProcess: 'capitalizeFirst',
+              }),
           });
         });
     });
@@ -384,7 +392,9 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
     }
 
     throw new Error(
-      t('group:message.error.timeout_reward', { postProcess: 'capitalize' })
+      t('group:message.error.timeout_reward', {
+        postProcess: 'capitalizeFirst',
+      })
     );
   };
 
@@ -420,7 +430,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
         message:
           error?.message ||
           t('group:message.error.unable_minting', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
       });
       setOpenSnack(true);
@@ -460,10 +470,10 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
                 ...response,
                 type: 'remove-rewardShare',
                 label: t('group:message.success.rewardshare_remove', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
                 labelDone: t('group:message.success.rewardshare_remove_label', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
                 done: false,
               },
@@ -477,7 +487,9 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
           rej({
             message:
               error.message ||
-              t('core:message.error.generic', { postProcess: 'capitalize' }),
+              t('core:message.error.generic', {
+                postProcess: 'capitalizeFirst',
+              }),
           });
         });
     });
@@ -609,7 +621,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
     >
       <DialogTitle id="alert-dialog-title">
         {t('group:message.generic.manage_minting', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         })}
       </DialogTitle>
 
@@ -662,28 +674,28 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
         >
           <Typography>
             {t('auth:account.account_one', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
             : {handleNames(accountInfo?.address)}
           </Typography>
 
           <Typography>
             {t('core:level', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
             : {accountInfo?.level}
           </Typography>
 
           <Typography>
             {t('group:message.generic.next_level', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}{' '}
             {_levelUpBlocks()}
           </Typography>
 
           <Typography>
             {t('group:message.generic.node_minting', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}{' '}
             {nodeInfos?.isMintingPossible?.toString()}
           </Typography>
@@ -723,14 +735,14 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
               variant="contained"
             >
               {t('core:action.start_minting', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Button>
 
             {mintingAccounts?.length > 1 && (
               <Typography>
                 {t('group:message.generic.minting_keys_per_node', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             )}
@@ -742,7 +754,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
         {mintingAccounts?.length > 0 && (
           <Typography>
             {t('group:message.generic.node_minting_account', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Typography>
         )}
@@ -762,7 +774,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
             >
               <Typography>
                 {t('group:message.generic.node_minting_key', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Box>
@@ -781,7 +793,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
             >
               <Typography>
                 {t('group:message.generic.minting_account', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}{' '}
                 {handleNames(acct?.mintingAccount)}
               </Typography>
@@ -807,7 +819,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
                 variant="contained"
               >
                 {t('group:action.remove_minting_account', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
 
@@ -820,7 +832,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
           {mintingAccounts?.length > 1 && (
             <Typography>
               {t('group:message.generic.minting_keys_per_node_different', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </Typography>
           )}
@@ -846,13 +858,13 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
             >
               <Typography>
                 {t('group:message.generic.minter_group', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
 
               <Typography>
                 {t('group:message.generic.mintership_app', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
 
@@ -882,7 +894,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
                 variant="contained"
               >
                 {t('group:action.visit_q_mintership', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
             </Box>
@@ -903,14 +915,14 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
               {!isShowNext && (
                 <Typography>
                   {t('group:message.success.rewardshare_creation', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               )}
               {isShowNext && (
                 <Typography>
                   {t('group:message.success.rewardshare_confirmed', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               )}
@@ -923,7 +935,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
                 onClick={onOk}
                 autoFocus
               >
-                {t('core:page.next', { postProcess: 'capitalize' })}
+                {t('core:page.next', { postProcess: 'capitalizeFirst' })}
               </Button>
             </DialogActions>
           </Dialog>
@@ -936,7 +948,7 @@ export const Minting = ({ setIsOpenMinting, myAddress, show }) => {
           variant="contained"
           onClick={() => setIsOpenMinting(false)}
         >
-          {t('core:action.close', { postProcess: 'capitalize' })}
+          {t('core:action.close', { postProcess: 'capitalizeFirst' })}
         </Button>
       </DialogActions>
 
diff --git a/src/components/QMailStatus.tsx b/src/components/QMailStatus.tsx
index f88adbb..62e7311 100644
--- a/src/components/QMailStatus.tsx
+++ b/src/components/QMailStatus.tsx
@@ -66,7 +66,7 @@ export const QMailStatus = () => {
             }}
           >
             {t('core:q_apps.q_mail', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </span>
         }
diff --git a/src/components/RegisterName.tsx b/src/components/RegisterName.tsx
index f11e9ee..c50f66a 100644
--- a/src/components/RegisterName.tsx
+++ b/src/components/RegisterName.tsx
@@ -115,20 +115,20 @@ export const RegisterName = ({
       if (!userInfo?.address)
         throw new Error(
           t('core:message.error.address_not_found', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
         );
       if (!registerNameValue)
         throw new Error(
           t('core:action.enter_name', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           })
         );
 
       const fee = await getFee('REGISTER_NAME');
       await show({
         message: t('group:question.register_name', {
-          postProcess: 'capitalize',
+          postProcess: 'capitalizeFirst',
         }),
         publishFee: fee.fee + ' QORT',
       });
@@ -145,7 +145,7 @@ export const RegisterName = ({
               setInfoSnack({
                 type: 'success',
                 message: t('group:message.success.registered_name', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 }),
               });
               setIsOpen(false);
@@ -156,12 +156,12 @@ export const RegisterName = ({
                   ...response,
                   type: 'register-name',
                   label: t('group:message.success.registered_name_label', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   }),
                   labelDone: t(
                     'group:message.success.registered_name_success',
                     {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }
                   ),
                   done: false,
@@ -182,7 +182,9 @@ export const RegisterName = ({
               type: 'error',
               message:
                 error.message ||
-                t('core:message.error.generic', { postProcess: 'capitalize' }),
+                t('core:message.error.generic', {
+                  postProcess: 'capitalizeFirst',
+                }),
             });
             setOpenSnack(true);
             rej(error);
@@ -224,7 +226,7 @@ export const RegisterName = ({
           }}
         >
           <Label>
-            {t('core:action.choose_name', { postProcess: 'capitalize' })}
+            {t('core:action.choose_name', { postProcess: 'capitalizeFirst' })}
           </Label>
           <TextField
             autoComplete="off"
@@ -253,7 +255,7 @@ export const RegisterName = ({
                   {t('core:message.generic.name_registration', {
                     balance: balance ?? 0,
                     fee: { nameFee },
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               </Box>
@@ -280,7 +282,7 @@ export const RegisterName = ({
               <Typography>
                 {t('core:message.generic.name_available', {
                   name: registerNameValue,
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Box>
@@ -302,7 +304,7 @@ export const RegisterName = ({
               <Typography>
                 {t('core:message.generic.name_unavailable', {
                   name: registerNameValue,
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Box>
@@ -320,7 +322,7 @@ export const RegisterName = ({
 
               <Typography>
                 {t('core:message.generic.name_checking', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>
             </Box>
@@ -334,7 +336,7 @@ export const RegisterName = ({
             }}
           >
             {t('core:message.generic.name_benefits', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
           </Typography>
 
@@ -352,7 +354,7 @@ export const RegisterName = ({
               </ListItemIcon>
               <ListItemText
                 primary={t('core:message.generic.publish_data', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               />
             </ListItem>
@@ -367,7 +369,7 @@ export const RegisterName = ({
               </ListItemIcon>
               <ListItemText
                 primary={t('core:message.generic.secure_ownership', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               />
             </ListItem>
@@ -384,7 +386,7 @@ export const RegisterName = ({
             setRegisterNameValue('');
           }}
         >
-          {t('core:action.close', { postProcess: 'capitalize' })}
+          {t('core:action.close', { postProcess: 'capitalizeFirst' })}
         </Button>
 
         <Button
@@ -399,7 +401,7 @@ export const RegisterName = ({
           onClick={registerName}
           autoFocus
         >
-          {t('core:action.register_name', { postProcess: 'capitalize' })}
+          {t('core:action.register_name', { postProcess: 'capitalizeFirst' })}
         </Button>
       </DialogActions>
     </Dialog>
diff --git a/src/components/Save/Save.tsx b/src/components/Save/Save.tsx
index 36edbdd..a75baeb 100644
--- a/src/components/Save/Save.tsx
+++ b/src/components/Save/Save.tsx
@@ -156,7 +156,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
 
         await show({
           message: t('core:save_options.publish_qnd', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
           publishFee: fee.fee + ' QORT',
         });
@@ -177,7 +177,9 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
             .catch((error) => {
               rej(
                 error.message ||
-                  t('core:message.error.generic', { postProcess: 'capitalize' })
+                  t('core:message.error.generic', {
+                    postProcess: 'capitalizeFirst',
+                  })
               );
             });
         });
@@ -187,7 +189,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
           setInfoSnack({
             type: 'success',
             message: t('core:message.success.published_qdn', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             }),
           });
           setOpenSnack(true);
@@ -200,7 +202,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
         message:
           error?.message ||
           t('core:message.error.save_qdn', {
-            postProcess: 'capitalize',
+            postProcess: 'capitalizeFirst',
           }),
       });
       setOpenSnack(true);
@@ -234,7 +236,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
           <IconWrapper
             disableWidth={disableWidth}
             label={t('core:action.save', {
-              postProcess: 'capitalize',
+              postProcess: 'capitalizeFirst',
             })}
             selected={false}
             color={
@@ -305,7 +307,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                 }}
               >
                 {t('core:save_options.settings', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Typography>{' '}
               <Spacer height="40px" />
@@ -334,7 +336,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                 }}
               >
                 {t('core:save_options.qdn', {
-                  postProcess: 'capitalize',
+                  postProcess: 'capitalizeFirst',
                 })}
               </Button>
             </Box>
@@ -365,7 +367,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                   }}
                 >
                   {t('core:save_options.register_name', {
-                    postProcess: 'capitalize',
+                    postProcess: 'capitalizeFirst',
                   })}
                 </Typography>
               </Box>
@@ -386,7 +388,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                       }}
                     >
                       {t('core:save_options.unsaved_changes', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </Typography>
 
@@ -410,7 +412,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                       variant="contained"
                     >
                       {t('core:action.save_qdn', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </LoadingButton>
                     <Spacer height="20px" />
@@ -423,7 +425,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                             }}
                           >
                             {t('core:save_options.reset_qdn', {
-                              postProcess: 'capitalize',
+                              postProcess: 'capitalizeFirst',
                             })}
                           </Typography>
                           <Spacer height="10px" />
@@ -445,7 +447,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                             }}
                           >
                             {t('core:save_options.revert_qdn', {
-                              postProcess: 'capitalize',
+                              postProcess: 'capitalizeFirst',
                             })}
                           </LoadingButton>
                         </>
@@ -460,7 +462,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                           >
                             {' '}
                             {t('core:save_options.reset_pinned', {
-                              postProcess: 'capitalize',
+                              postProcess: 'capitalizeFirst',
                             })}
                           </Typography>
                           <Spacer height="10px" />
@@ -470,7 +472,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                             variant="contained"
                           >
                             {t('core:save_options.revert_default', {
-                              postProcess: 'capitalize',
+                              postProcess: 'capitalizeFirst',
                             })}
                           </LoadingButton>
                         </>
@@ -494,7 +496,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                         }}
                       >
                         {t('core:save_options.overwrite_changes', {
-                          postProcess: 'capitalize',
+                          postProcess: 'capitalizeFirst',
                         })}
                       </Typography>
                       <Spacer height="10px" />
@@ -516,7 +518,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                         }}
                       >
                         {t('core:save_options.overwrite_qdn', {
-                          postProcess: 'capitalize',
+                          postProcess: 'capitalizeFirst',
                         })}
                       </LoadingButton>
                     </Box>
@@ -536,7 +538,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
                       }}
                     >
                       {t('core:save_options.no_pinned_changes', {
-                        postProcess: 'capitalize',
+                        postProcess: 'capitalizeFirst',
                       })}
                     </Typography>
                   </Box>
@@ -593,7 +595,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
               }}
             >
               {t('core:action.import', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </ButtonBase>
 
@@ -618,7 +620,7 @@ export const Save = ({ isDesktop, disableWidth, myName }) => {
               }}
             >
               {t('core:action.export', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })}
             </ButtonBase>
           </Box>
diff --git a/src/components/Theme/ThemeSelector.tsx b/src/components/Theme/ThemeSelector.tsx
index bab403c..305b4ab 100644
--- a/src/components/Theme/ThemeSelector.tsx
+++ b/src/components/Theme/ThemeSelector.tsx
@@ -23,10 +23,10 @@ const ThemeSelector = () => {
         title={
           themeMode === 'dark'
             ? t('core:theme.light', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })
             : t('core:theme.light', {
-                postProcess: 'capitalize',
+                postProcess: 'capitalizeFirst',
               })
         }
       >
diff --git a/src/components/Tutorials/Tutorials.tsx b/src/components/Tutorials/Tutorials.tsx
index f1a5fe5..f6d3b3b 100644
--- a/src/components/Tutorials/Tutorials.tsx
+++ b/src/components/Tutorials/Tutorials.tsx
@@ -91,7 +91,7 @@ export const Tutorials = () => {
         </DialogContent>
         <DialogActions>
           <Button variant="contained" onClick={handleClose}>
-            {t('core:action.close', { postProcess: 'capitalize' })}
+            {t('core:action.close', { postProcess: 'capitalizeFirst' })}
           </Button>
         </DialogActions>
       </Dialog>
@@ -138,7 +138,7 @@ export const Tutorials = () => {
 
         <DialogActions>
           <Button variant="contained" onClick={handleClose}>
-            {t('core:action.close', { postProcess: 'capitalize' })}
+            {t('core:action.close', { postProcess: 'capitalizeFirst' })}
           </Button>
         </DialogActions>
       </Dialog>
diff --git a/src/components/Tutorials/useHandleTutorials.tsx b/src/components/Tutorials/useHandleTutorials.tsx
index 597199e..1f5ac33 100644
--- a/src/components/Tutorials/useHandleTutorials.tsx
+++ b/src/components/Tutorials/useHandleTutorials.tsx
@@ -108,7 +108,7 @@ export const useHandleTutorials = () => {
                 multi: [
                   {
                     title: t('tutorial:1_getting_started', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     resource: {
                       name: 'a-test',
@@ -119,7 +119,7 @@ export const useHandleTutorials = () => {
                   },
                   {
                     title: t('tutorial:2_overview', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     resource: {
                       name: 'a-test',
@@ -130,7 +130,7 @@ export const useHandleTutorials = () => {
                   },
                   {
                     title: t('tutorial:3_groups', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     resource: {
                       name: 'a-test',
@@ -141,7 +141,7 @@ export const useHandleTutorials = () => {
                   },
                   {
                     title: t('tutorial:4_obtain_qort', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     resource: {
                       name: 'a-test',
@@ -163,7 +163,7 @@ export const useHandleTutorials = () => {
                 multi: [
                   {
                     title: t('tutorial:apps.dashboard', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     resource: {
                       name: 'a-test',
@@ -174,7 +174,7 @@ export const useHandleTutorials = () => {
                   },
                   {
                     title: t('tutorial:apps.navigation', {
-                      postProcess: 'capitalize',
+                      postProcess: 'capitalizeFirst',
                     }),
                     resource: {
                       name: 'a-test',
diff --git a/src/i18n/i18n.ts b/src/i18n/i18n.ts
index 8d267be..23a76a3 100644
--- a/src/i18n/i18n.ts
+++ b/src/i18n/i18n.ts
@@ -2,9 +2,15 @@ import i18n from 'i18next';
 import { initReactI18next } from 'react-i18next';
 import LanguageDetector from 'i18next-browser-languagedetector';
 
-const capitalize = {
+const capitalizeAll = {
   type: 'postProcessor',
-  name: 'capitalize',
+  name: 'capitalizeAll',
+  process: (value: string) => value.toUpperCase(),
+};
+
+const capitalizeFirst = {
+  type: 'postProcessor',
+  name: 'capitalizeFirst',
   process: (value: string) => value.charAt(0).toUpperCase() + value.slice(1),
 };
 
@@ -38,7 +44,8 @@ for (const path in modules) {
 i18n
   .use(initReactI18next)
   .use(LanguageDetector)
-  .use(capitalize as any)
+  .use(capitalizeAll as any)
+  .use(capitalizeFirst as any)
   .init({
     resources,
     fallbackLng: 'en',