How to use ROT13
- Paste or type text.
- Click Convert to encode or decode (ROT13 is its own inverse).
- Copy the result.
Example
Input
Your input or data here
Output
Result will appear here after running the tool
Frequently asked questions
- What is ROT13?
- ROT13 shifts each letter by 13 positions in the alphabet. Applying it twice returns the original text.
Embed this tool
Add ROT13 to your own site, blog post, or internal docs — free, no signup. The widget runs entirely in your visitors' browsers, same as it does here.