ROT13 cipher
Encode or decode text with the ROT13 letter-shift cipher.
How to use it
- Add your file or enter your values.
- Adjust the options if needed.
- Run it: the result appears at once and stays on your device.
FAQ
What is ROT13 cipher for?
Encode or decode text with the ROT13 letter-shift cipher.
How do I use ROT13 cipher?
1. Add your file or enter your values. 2. Adjust the options if needed. 3. Run it: the result appears at once and stays on your device.
Is my data sent anywhere?
No, the calculation runs entirely in your browser.
Is ROT13 cipher free and unlimited?
Yes, no signup, no usage limit.
Which browsers are supported?
All modern browsers, on desktop and mobile.
Does ROT13 cipher work offline?
After a first visit, most tools keep working without a connection.