ROT13
Apply ROT13.
How to use ROT13
ROT13 — Apply ROT13 to letters. A becomes N, and applying it twice returns the original text. Free to use in D2i DevTools — no account required.
Steps
- Fill in Input. This field is required.
- Click Run and copy the result under the form.
Frequently asked questions
What is ROT13 used for?
Use it for spoilers or puzzles. It is not encryption; anyone can reverse it.
How do I use the free online ROT13 tool?
Fill in Input. This field is required. Click Run and copy the result under the form.
What can I paste or upload into ROT13?
Paste text. Only A–Z and a–z move. Digits and symbols stay put.
What output does ROT13 give me?
The rotated text, same length. Hello becomes Uryyb.
Is ROT13 free, and is my input private?
Yes — Your input is processed in memory for this request only. It is not saved to disk or the database, and it is cleared after the tool finishes.
Does ROT13 work on non-English letters?
Only the 26 ASCII letters rotate. Accented letters and other scripts are left unchanged.
Inputs are processed in memory only and are not saved to disk or the database. Data exists only for the duration of your request.