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ROT13

Apply the ROT13 text substitution. This is not encryption. Free rot13 online, with no installation or account.

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Your files and input are processed in this browser. No uploads or accounts.

Tool capabilities

Input
TXT
Output
TXT

How to use ROT13

Apply the ROT13 text substitution. This is not encryption. This rot13 works directly in your browser and is free to use without an account.

  1. Paste or open your input in the editor.
  2. Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
  3. Copy the result or download it to your device.

ROT13 · Example

Input

Small tools.
Big possibilities.
Small tools.

Output

Fznyy gbbyf.
Ovt cbffvovyvgvrf.
Fznyy gbbyf.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.

Review the example to check the exact transformation before applying it to your own text.

Text input is limited to 5 MiB and processing runs in a cancellable worker.

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Language

Code examples, format names and technical parser messages may use their original notation.