Columnar Transposition

Keyed transposition cipher — plaintext is written in rows then columns are read in alphabetical key order.

legacyclassical

Plaintext / Input Message

Cryptographic Key / Shift

Auto Compute

Workspace Presets

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Preset nameSave key with preset — disabled by default. Stored keys remain readable to anyone with access to this browser profile.

Saved presets for this cipher

Output Result

No output

Imported traces are validated and replayed locally. They never run a cipher operation automatically.