ROT13 Cipher
Apply the RO13 substitution cipher to your text. A simple way to hide spoilers or answers.
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ROT13 Cipher
Encrypt/Decrypt using ROT13
How It Works
- Enter text
- Click Transform
- Text is shifted 13 places
- 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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