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Variant Beaufort Cipher

German Beaufort variant using Vigenere-style shifts in reverse.

The Variant Beaufort cipher, also known as German Beaufort, is a polyalphabetic substitution cipher similar to the Vigenere cipher. Its key difference is that encryption is performed like Vigenere decryption, and decryption is performed like Vigenere encryption. This tool supports both standard and autokey Variant Beaufort modes.

Enter a keyword to derive a custom alphabet, or leave blank for A-Z.

Tabula Recta

The cipher uses this table for encipherment. Updates when alphabet changes.