Lumenclavis

Web Console

Classical Cipher Workbench

Pick a cipher on the left. Use Analyze for cracking/decrypt attempts, or Encrypt to generate ciphertext with the selected mode.

Automatic default

Automatic Try all supported attacks

vigenere Polyalphabetic key-based

beaufort Reciprocal keyed variant

caesar Single shift substitution

affine Linear substitution (a,b)

rail_fence Transposition by rails

other HEX, Base64, Binary, Morse

Select a mode here, then use action buttons under the input panel. Leave key fields empty to auto-recover keys during decrypt.

Direct text only

Text

Key (Vigenere / Beaufort)

Caesar shift

Affine a

Affine b

Rail Fence rails

Other tool