Konverter can help you quickly convert URL encode(decode), uppercase and lowercase, md5, sha256, Base64 encode(decode), Unicode encode(decode), Hex encode(decode), SSR encode(decode), SS encode(decode), HTML encode(decode) on macOS
v2.2
download here
and unzip file, Drag Konverter.app to Applications file
drop Konverter.app to Trash
then open Terminal.app and input those commands:
rm -rf ~/Library/Preferences/MacOS.Konverter.plist
rm -rf ~/Library/Caches/MacOS.Konverter