Free tools
English
ROT13 converter
Shift English letters by 13 positions and apply again to reverse. Use it in your browser, with no account required.
No account needed
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How to use
- 1Enter your values and choose the options.
- 2Run the tool and review the result.
- 3Copy the result or save it as a file.
Good to know
Only English A–Z letters are transformed; other characters are preserved.
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Worked input and output example
These results come from this tool’s actual engine using the sample values below, not your personal input or saved work. Load the example in the tool to inspect the same inputs.
Example input
| Field | Value |
|---|---|
| Text | Hello, world! |
Example result
Uryyb, jbeyq!