FreeDev Tools

Bacon Cipher

Encode and decode Francis Bacon's steganographic cipher β€” letters as 5-bit AB patterns.

Runs locally in your browser. Your input is not uploaded.

How to Use

  1. 1

    Type your message

    Letters convert to 5-character AB groups.

  2. 2

    Decode when needed

    Paste AB (or 01) groups to recover text.

  3. 3

    Get creative

    Carry the A/B pattern in fonts or case to hide messages.

Frequently Asked Questions

Each letter becomes a 5-symbol pattern of A's and B's β€” its position in the alphabet written in binary with A=0, B=1. S (position 18) becomes BAABA.