AB
aiBytes
125 tools in one library
Live workspace

Columnar Transposition Cipher

Reorder columns by keyword and inspect the column layout.

Classical Ciphers
Input

Columnar Transposition Cipher

Encode or decode text by reordering columns according to a keyword.

  • Use a non-empty keyword with distinct letter ordering for clearer output.
  • The backend removes spaces and pads with X when encoding.
  • Decode reverses the column order using the same key.
Status
Waiting for input
Output

Columnar result

Review the transformed text and copy the output you want to keep.

Output preview

The transformed text and active key will appear here.