ROT13 Cipher

Our rot13 cipher helps you transform and process text quickly and easily. Simply enter your text, click process, and get instant results. Perfect for content editing, formatting, and cleanup tasks.

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ROT13 Cipher

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Encrypt/Decrypt using ROT13

Try Examples

How It Works

  1. Enter text
  2. Click Transform
  3. Text is shifted 13 places
  4. Copy result

Use Cases

  • Simple encryption
  • Spoilers
  • Puzzles

Frequently Asked Questions

How do I decrypt?

ROT13 is its own inverse; apply it again to decrypt.

Is it secure?

No, it is a very weak cipher intended for obfuscation, not security.

Why 13?

There are 26 letters in the alphabet, so shifting by 13 is exactly half, making it reversible.

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