Kifanga Logo

Polybius Square Cipher: Encrypt and Decrypt Online

The Polybius square cipher, also known as the Polybius checkerboard is a device by the Ancient Greeks Cleoxenus and Democleitus.

The cipher fractionates plaintext characters so that they can be represented by a smaller set of symbols.

Use the above Polybius square decoder and encoder to encrypt/decrypt simple messages.

If this tool was helpful, tweet it or share it.

Tools related to Polybius Square Cipher: Encrypt and Decrypt Online