ROT13 Cipher
A simple letter substitution cipher that replaces a letter with the 13th letter after it.
ROT13 Converter
Encode or decode text using the ROT13 cipher.
About This Tool
ROT13 is a common way to hide spoilers or obfuscate text in online forums.
How to Use This Tool
- Enter your text.
- The ROT13 version is generated live.
- Copy the result.
Why Use This Tool
- Obfuscating spoilers.
- Basic encryption puzzles.
- CS history.
Frequently Asked Questions
Is ROT13 secure?
No, it's easily reversible and not for security.