Puzzles, Ciphers and Brain Teasers

This site is home to the EyeEmmEff self destructing message tool. You're currently viewing the cipher puzzles section:

Crack cipher puzzles and test your code-breaking skills using classic ciphers like Caesar, Atbash, and Vigenère. New challenges added regularly.
Have you got what it takes to decipher the hidden messages. Your mission begins now...