Polybius Square Cipher

Encode each letter as a row and column coordinate on a 5x5 grid. Type in either panel and watch the transformation update live.

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Plaintext input for encryption

Select Cipher:

Current shift: 3

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Ciphertext input for decryption

All ciphers

Caesar Cipher
Atbash Cipher
Affine Cipher
Polybius Square Cipher
Alberti Cipher
Vigenère Cipher
Autokey Cipher
Playfair Cipher
Hill Cipher
ADFGVX Cipher
Scytale Cipher
Rail Fence Cipher
Columnar Transposition Cipher
Enigma Machine
One-Time Pad (Vernam)