Zodiac Crypt
Solve ciphers and create your own cryptograms!
Zodiac Crypt launched on March 4, 2017 with 66 votes, #782 of 3,497 launches that month.
What it does
Originally developed as a tool to help decode the infamous 340-character Zodiac cryptogram (unsolved to this day), Zodiac Crypt is now much more that that - it is an app where you can solve ciphers created by other people and add your own cryptograms for others to solve.
Does a similar job
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Decrypting the Zodiac Z32 triangulates a 100ft triangular crop markJan 2026 · zenodo.org · ▲8The 32-character ciphertext ("Z32") mailed by the Zodiac Killer in June 1970 has historically been resistant to standard cryptanalysis due to its low unicity distance. This paper presents a solution derived by reframing the cipher as a Geographic Constraint Satisfaction Problem (GCSP). By re
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