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Vigenere Cipher

Encrypt/decrypt with Vigenere cipher using keyword. 100% private. 100% private.

100% Private Works Offline Instant

Encrypt/decrypt with Vigenere cipher using keyword. 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

  1. Enter your input in the tool above.
  2. Adjust any options to your preference.
  3. Use the Copy or Download buttons to save the result.
  4. Everything happens locally — your data never leaves your browser.
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