Use one of the four encryption techniques below to encrypt a secret message.
Helps you generate an encrypt/decrypt key to encrypt messages by hand. Try it out!
Encrypts your message using a simple offset on the ASCII code of each character in your message. Try it out!
Encrypts your message using a shared key phrase. The key generates different offsets that are used on the ASCII code of each character in your message. Try it out!
Generate public and private keys, other people can use your public key to encrypt messages that you can decrypt with your private key. Try it out!