press e to encode and d to decode or space full sentences and pretty much every character on a US keyboard `1234567890-=qwertyuiop[]\asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+{}|:"<>? spaces are included
i had an idea and so i built it it even has mobile support, you just click the cat , no clue if you can copy it but u can try.