Pigpen Cipher
Pigpen cipher encoder/decoder with symbol keyboard and mapping table.
Input0 chars
Output0 chars
Visual Preview (Standard Graphics)
Preview will appear here...
Renders standard Pigpen symbols using SVG to fix Unicode display inaccuracies.
Pigpen Cipher Table
Grid (A-I)
A
B
C
D
E
F
G
H
I
Grid + Dot (J-R)
J
K
L
M
N
O
P
Q
R
X Shape (S-V)
S
T
U
V
X Shape + Dot (W-Z)
W
X
Y
Z
What is Pigpen Cipher?
The Pigpen cipher is a substitution cipher that replaces letters with geometric symbols based on a grid and an X-shaped key.
This tool provides a complete mapping table and bidirectional conversion, fully local in your browser.
About This Tool
The Pigpen cipher is a classic substitution cipher that represents letters with grid and X-shaped symbols. This tool supports bidirectional conversion between text and symbols, offering a visual mapping table and symbol keyboard for quick input. You can choose separators and preserve non-letter characters, with all processing done locally in your browser.
Features
- 🔄 Encode/Decode Modes: Convert text and symbols both ways
- ⌨️ Symbol Keyboard: Tap to insert pigpen symbols
- 🧩 Separator & Symbol Handling: Space/slash/none with non-letter preservation
- 📋 Copy & Swap: One-click copy and input/output swap
- 📚 Mapping Table: Full A-Z reference for learning