Cipher Identifier

Paste an encoded or encrypted message. It ranks the likely ciphers, explains the evidence for each, and breaks the ones it can.

Ciphers
70+
Network
none
Engine
in-browser

Everything runs locally in this tab. Your input is never uploaded, logged, or sent anywhere — there is no server to send it to. Works offline.

01

Input

0 characters
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03

Candidates

Awaiting input.