← CTF & Crypto Tools

dCode

Huge collection of cipher solvers and decoders.

dCode is a huge collection of solvers and encoders for ciphers, codes, puzzles, math and word games. It is especially useful for classical cryptography and for identifying unknown encodings. Note that this folder also holds a separate Hill cipher entry from the same site.

Why it's useful

When a puzzle uses an obscure cipher, dCode probably has a tool.