C0mptCrypt allows you to encrypt strings of text. It can only be decrypted using C0mptCrypt and not by random online tools. You can use this for a variety of things from creating passwords, to encrypting HWIDs.
git clone https://github.com/execution/C0mptCrypt.git
pip install -r requirements.txt
Check out some examples!
cat encrypt_example.py cat decrypt_example.py