First request still exists there - menu format - Char case change. Select text and use this feature
In the PSPad 5 work with code pages was rewritten and much more code pages is supported. If you want to save file in UTF-16BE, choose code page from Encoding menu. If you don't see UTF-16 BE code page, click on the modify in the encoding menu and check Unicode UTF-16 BE. And you can uncheck code pages what are not relevant for you -- <https://forum.pspad.com/read.php?2,72215,72216> PSPad freeware editor https://www.pspad.com
