Practice Ciphers
Select a cipher type to begin your journey
Aristocrat
A monoalphabetic substitution cipher that maintains word boundaries. Perfect for beginners!
Patristocrat
A challenging monoalphabetic substitution cipher without word boundaries.
Hill Cipher 2x2
A polygraphic substitution cipher based on linear algebra concepts.
- * Leave filler letters blank
Hill Cipher 3x3
A polygraphic substitution cipher based on linear algebra concepts.
- * Leave filler letters blank
Porta Cipher
A polyalphabetic substitution cipher with a unique twist.