Encode or decode text using ROT13 cipher. ROT13 Encoder is a free online tool from the ToolsRift Text Tools collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
ROT13 substitutes each letter with the letter 13 positions ahead in the alphabet.
No — ROT13 is not secure encryption. It's a simple substitution cipher used for light obfuscation.
No — only A—Z letters are shifted. Numbers, spaces, and symbols remain unchanged.