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Caesar Cipher / ROT13

Encode or decode text with a Caesar shift or ROT13.

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How to use the Caesar Cipher / ROT13

  1. Add your text, file or value in the box above.
  2. Choose the options you need.
  3. Copy or download the result.

Frequently asked questions

Is the Caesar Cipher / ROT13 free?

Yes. Encode or decode text with a Caesar shift or ROT13. No sign-up is needed.

Is my data safe?

Everything runs in your browser — your text never leaves your device.

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