ROT13 Encoder and Decoder
Rotate letters by 13 positions for quick obfuscation and decoding practice. Format, encode, or transform data without leaving your browser — ideal for API payloads, config files, and quick debugging. Input stays on your device unless a tool clearly states that it sends data elsewhere.
Last reviewed: 2026-07-23
Processed locally in your browser. Nothing is sent to a server.
Character count: 0 · Word count: 0 · Line count: 0
How to use
- Paste or type your input into the text area.
- The tool will automatically process the text and generate the output.
- Review the result and click copy to use it in your project.
Examples
ROT13 encode
Input
Hello
Output
Uryyb
When to use this tool
Use this tool when you need to format, encode, or transform data for development work — apply ROT13 encoding and decoding.
Privacy
Input stays on your device unless a tool clearly states that it sends data elsewhere.
Frequently asked questions
Is my data uploaded?+
No. Code and data tools run locally in your browser whenever possible.