Shift: 3
Shift Key (1–25)
3
Vigenère Keyword
Number of Rails (2–8)
3 rails
Atbash Cipher
No key needed. Each letter is mapped to its mirror: A↔Z, B↔Y, C↔X…
Plaintext Message
Ciphertext Output
Caesar cipher shifts each letter by a fixed amount. Julius Caesar himself used a shift of 3.