Hello You can replace all "high" chars with basic chars using e.g. converting code page. Try in the menu Edit / Special conversion / Remove accented chars
If you want to replace special set of chars only, you can create user convertor. There are possibility to replace strings or chars or... More information in help, you can start from the .\Convertor\Templace.in_ Copy Template.in_ to e.g. MyReplaceChars.ini and modify content. I guess you will be able to understand from the file content. User convertors are in the Tool menu -- <https://forum.pspad.com/read.php?2,75509,75513> PSPad freeware editor https://www.pspad.com