ROT13 Encoder / Decoder
Encode or decode text with ROT13, the classic letter-rotation cipher. Free online ROT13 converter.
✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded
0 characters
Result
How to use ROT13 Encoder / Decoder
- 1Paste or type your text in the left box (or open a file).
- 2The converted result appears instantly on the right.
- 3Copy it with one click or download it as a file.
Questions
Is ROT13 Encoder / Decoder free?
Yes. ROT13 Encoder / Decoder is 100% free with no limits, no watermark, no sign up and no email required.
Is my data sent anywhere?
No. Everything is calculated locally in your browser. Nothing you type is sent to or stored on any server.
Does ROT13 Encoder / Decoder work on my phone?
Yes. ROT13 Encoder / Decoder works in any modern browser on iPhone, Android, Windows, Mac, Linux and Chromebook. No app or install needed.
Do I need to create an account?
Never. There is no sign up, no login, no email and no paywall. Just open the page and use it.