ROT13

Runs on your deviceFreeNo account

How to use ROT13

Open ROT13. Rotate letters 13 places. Apply twice to undo. Set the options, then copy or download. Files and text stay on your device. Built for phones and desktops.

1

Open the tool

Use the workspace below — no signup is required.

2

Enter your input

Open ROT13. Rotate letters 13 places. Apply twice to undo. Set the options, then copy or download. Files and text stay on your device. Built for phones and desktops.

3

Copy the result

Copy text or download a file when the tool offers an export. Local tools keep processing in this tab.

Direct share: Install Omnipus as an app on Android to share files and links into this tool from other apps.

About this tool

Rotate letters 13 places. Apply twice to undo. Classic Usenet obfuscation. Digits stay put. ROT13 on Omnipus runs in this tab with no upload. No account, watermark, or daily cap.

#rot13#rot13 decoder

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Frequently Asked Questions

Is ROT13 free?

Yes. No signup, watermark, or quota.

Do you upload my data?

No. This tool stays in your browser.

Will this work on my phone?

Yes. Controls stack, tap targets are large.

Is ROT13 completely free to use?

Yes. ROT13 on Omnipus is free to use with no subscription paywall for the tool itself.

Are my files or data uploaded to any servers?

No. ROT13 processes your input locally in this browser tab. Your files and text are not sent to Omnipus. Some tools download an engine or model file the first time you use them; that is a download, not an upload.

Can I use ROT13 on my mobile phone?

Yes. Omnipus has touch-friendly controls and can be installed as an app. On Android you can also share files or links into tools from other apps.

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