ROT13 Cipher
Free online ROT13 encoder and decoder. ROT13 rotates each letter by 13 positions in the alphabet. Perfect for hiding spoilers, puzzles, and simple text obfuscation.
How to Use
Free online ROT13 encoder and decoder. ROT13 rotates each letter by 13 positions in the alphabet. Perfect for hiding spoilers, puzzles, and simple text obfuscation. This tool is completely free, no registration required. All data processing happens locally in your browser - nothing is uploaded to any server.
FAQ
What is ROT13?
ROT13 shifts each letter by 13 positions. Since the alphabet has 26 letters, encoding and decoding are the same operation.
Is ROT13 secure?
No, ROT13 is a very simple cipher that provides no real security. It's commonly used to hide spoilers in online forums.