Keyword Cipher
Encrypt and decrypt text using a keyword-based substitution cipher. The keyword generates a unique cipher alphabet by placing keyword letters first, followed by remaining alphabet letters.
How to Use Keyword Cipher
Enter a keyword to generate the cipher alphabet, type your message, select encrypt or decrypt mode, and click the button. The tool shows the generated cipher alphabet alongside the result.
Step-by-Step Instructions
- Enter a keyword (e.g. SECRET)
- Type the text to encrypt or decrypt
- Select Encrypt or Decrypt mode
- Click the button to see the cipher alphabet and result
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