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A Substitution cipher is a method of encoding [substituting] every plaintext character into a ciphertext character

Notice! Do not use this as a means for encrypting personal or important data.

Ciphers

You must select a cipher

Vigenère Key

You must enter a key

Substitution Key

Enter Message

You must fill out a message

Substitution Key:

Ciphertext:

Your Text Characters

Vigenère Cipher Key