Pigpen Cipher

Visual geometric cipher used by Freemasons.

📜 The Origins

A geometric substitution cipher that swaps letters for fragments of a grid. Historically used by the Freemasons in the 18th century to keep their records private.

🚀 Master the Tool

Type your message to see it drawn in geometric symbols. Each shape represents a specific letter's position in a tic-tac-toe or X-grid.

Message Encoder

🐷 Geometric Cipher

Used by Freemasons in the 18th century to keep records private. Also known as the Masonic Cipher. It replaces letters with fragments of a grid.

Pigpen Visuals
Symbols will appear here...

The Freemason's Cipher

In the 18th Century, the Freemasons needed a way to keep their records passing between lodges secret. They created the Pigpen Cipher (or Rosicrucian Cipher).

How It Works

It replaces letters with symbols based on their position in a grid. * Grid 1 (Tic-Tac-Toe): Holds A-I. * Grid 2 (Dotted Tic-Tac-Toe): Holds J-R. * X-Shape 1: Holds S-V. * X-Shape 2 (Dotted): Holds W-Z.

It gets its name because the grids look like "pens" for pigs.

Why It's Fun

It is surprisingly easy to memorize. Once you know the grid shape, you can read and write it as fluently as English. It remains the gold standard for Escape Rooms and scavenger hunts.

Pro Tips

01The dots indicate the second letter in the same grid segment.
02Classic for 'treasure hunt' notes.
03Looks like an alien language to the untrained eye!

The Fine Print (FAQ)