Is this tool private?

Yes. All processing happens locally in your browser. No data is uploaded.

What extras does this tool have?

Extras: (1) Core function, (2) Batch mode, (3) Copy results, (4) Download, (5) History, (6) CSV export, (7) Custom options, (8) Validation, (9) Warnings, (10) Stats, (11) Multi-format, (12) Configurable, (13) Preview.

Text Runs in your browser

ROT13 Cipher

Apply ROT13 cipher (rotate by 13). Also supports custom rotation. 100% private. 100% private.

100% Private Works Offline Instant

Rotation (1-25)

Rotate digits

Input

Output

Output will appear here…

Alphabet map (ROT13)

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Privacy: all rotation runs locally in your browser. History is stored in localStorage only.

Apply ROT13 cipher (rotate by 13). Also supports custom rotation. 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

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