ROT13
Apply ROT13 cipher to text. Each letter is rotated by 13 positions. Runs entirely in your browser.
Frequently Asked Questions
What is ROT13?
ROT13 rotates each letter by 13 positions in the alphabet. Applying it twice returns the original text.
Does it affect numbers?
No, only letters a-z and A-Z are affected.
Is my data safe?
Yes. All processing happens locally in your browser.