Cipher Cracking
Worksheet Generator
Create Your Own Worksheet
Follow Steps 1 and 2 to:
  • Enter your plaintext message
  • Encrypt your message
  • Print your encrypted message with letter frequencies
Next: Enter Message
Sample Worksheet
Sample PDF
Printable Sample
Step 1 - Enter Message
First, give your worksheet a title:

Now enter your plaintext message. You can type or paste your own message, or choose one of our sample messages. (Approximately 252 characters will fit in the box.)
  • Include words like a, I, the, and to make messages easier to crack.
  • Remove spaces between words to make cracking more challenging.
  • Messages are easier to crack if their letter frequencies are similar to English.
Compare Frequencies
Sample Messages
Next: Encryption
Step 2 - Encrypt
Select your cipher and keys.
Plaintext Message
Choose Cipher
Key (will not be printed)
Print Cipher Type?
Preview Worksheet
Download Worksheet