Pigpen Cipher Translator

Your text Pigpen cipher

Pigpen Cipher Reference Chart

A A

B B

C C

D D

E E

F F

G G

H H

I I

J J

K K

L L

M M

N N

O O

P P

Q Q

R R

S S

T T

U U

V V

W W

X X

Y Y

Z Z

About the Pigpen Cipher

The Pigpen cipher (also known as the Masonic cipher or Freemason's cipher) is a geometric substitution cipher that replaces letters with symbols derived from a grid pattern, used by Freemasons since at least the 18th century.

How It Works

Each letter is replaced by the fragment of a grid that surrounds it. The cipher uses two grids and two crosses — the position of each letter within its grid determines its symbol.

Historical Significance

Beyond its use by Freemasons, the pigpen cipher was used during the American Civil War by Union prisoners in Confederate camps. Its visual nature made it easy to learn without memorizing complex tables.

Modern Applications

Teaching basic cryptography concepts
Puzzle games and escape rooms
Creating fun secret messages for children
Artistic designs and historical reenactments

Frequently Asked Questions

Is the Pigpen cipher secure for modern communications?

No — it's a simple substitution cipher easily broken by frequency analysis. It's best for fun and educational use, not secure messaging.

Can I use it for numbers and special characters?

The traditional Pigpen cipher covers only the 26 English letters. Numbers and special characters stay unchanged.

Why is it called the "Pigpen" cipher?

The name comes from the grid structures used to create it, which resemble animal pens or enclosures.

How do I share my encoded message?

Download as PNG or PDF and share it via email or messaging apps. The recipient will need a Pigpen cipher reference chart to decode it.