Simple & easy-to-use Affine Cipher GUI. It allows multi-time enciphering & deciphering. It uses 3 different key pairs for 3 different alphabets: digits, uppercase & lowercase letters. Characters that are not in these 3 alphabets are not touched. Press R to reset settings to defaults.
It is setup using GitHub Actions in .github/workflows/lint.yml
Feel free to contribute according to the semistandard rules and latest ECMAScript Specification.
You can distribute this software freely under GNU GPL v3.0.