The Pigpen cipher (a.k.a. tic-tac-toe cipher) is a geometric substitution cipher, which exchanges letters for symbols which are fragments of a grid.
Using the key provided on the right, can you decode the following secret message?
Pigpen Cipher Encoder
You can use our online Pigpen Cipher Encoder to encode your own secret messages.
See the Pen pigpen cipher – encoder by 101 Computing (@101Computing) on CodePen.