Welcome to the Vigenère Cipher!
This mini-app uses the Vigenère cipher, a simple, fun cipher invented in the 16th century, to encrypt your message based off of a key word or phrase. It can then decrypt your word given the same key.
This mini-app uses the Vigenère cipher, a simple, fun cipher invented in the 16th century, to encrypt your message based off of a key word or phrase. It can then decrypt your word given the same key.