Simple Substitution Cipher

Enter Latin text up to 26 letters in the Input field, then press either the Encrypt or Decrypt button, depending on what you're trying to do. The Generate button creates a new randomized alphabet. Enter a Keyword up to 26 letters to start the substitution alphabet. The Width value divides the encrypted output text into fixed sizes separated by a space. The Padding text appends the input text to be evenly divisible by the Width value if specified. The Random button generates a random, encrypted example.

Width:Padding:



Input:      

Keyword:    

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