Tool to write/decode Mourier's geometric alphabet proposed in 1971 and based on a square of 7x7 units.
Mourier Alphabet - dCode
Tag(s) : Symbol Substitution
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Mourier Alphabet
Mourier Decoder
Mourier Encoder
Answers to Questions (FAQ)
What is the Mourier alphabet? (Definition)
The Mourier alphabet is a geometric alphabet defined by the danish designer Eric Mourier in 1971. It associates the latin letters with a symbol created from a 7x7 square (49 squares) composed only of lines which do not intersect and separated by a space of the same size.
How to encrypt using Mourier alphabet?
In the original version of 1971 Mourier proposed a substitution of the letters A-Z by a Mourier square symbol according to the correspondence table:
| A | .png) | B | .png) | C | .png) | D | .png) | E | .png) | F | .png) | G | .png) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| H | .png) | I | .png) | J | .png) | K | .png) | L | .png) | M | .png) | N | .png) |
| O | .png) | P | .png) | Q | .png) | R | .png) | S | .png) | T | .png) | U | .png) |
| V | .png) | W | .png) | X | .png) | Y | .png) | Z | .png) | ||||
| dCode.fr | |||||||||||||
Example: MOURIER is written as
The alphabet was then digitized in typeface in 2002 by Sébastien Hayez, and was enriched with ASCII characters.
A 2.0 version has been available since 2020 to adapt to Cyrillic characters.
dCode is intentionally limited to version 1.0 with uppercase letters A-Z, lowercase a-z, numbers 0-9 and the characters #, $, &, * and /.
How to decrypt Mourier alphabet?
The Mourier alphabet is a mono-alphabetic substitution (1 Mourier symbol = 1 plain letter or number character) so a replacement of the symbols makes it possible to find the plain message.
Example: is translated DCODE
How to recognize a Mourier ciphertext? (Identification)
The Mourier alphabet is resolutely geometric with a fixed size of 7x7 small squares.
The assembly of characters can make one think of a labyrinth.
Any use of the alphabet or the font must cite the source and the license: Mourier, SIL Open Font License, v1.1, available in the Velvetyne directory here
Source code
dCode retains ownership of the "Mourier Alphabet" source code. Except explicit open source licence (indicated Creative Commons / free), the "Mourier Alphabet" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Mourier Alphabet" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Mourier Alphabet" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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Cite as source (bibliography):
Mourier Alphabet on dCode.fr [online website], retrieved on 2024-05-02,
