ROT13 Converter
Apply the ROT13 cipher to letters while keeping everything else unchanged.
Apply ROT13, a simple Caesar cipher that rotates letters by 13 positions. Applying it twice restores the original text.
How to use
- Type or paste the text you want to transform.
- The ROT13 result appears immediately.
- Copy the output.
Frequently asked questions
Which characters are changed?
Only A-Z and a-z letters rotate; digits and symbols stay unchanged.
Why is there no encode or decode mode?
ROT13 is symmetric, so the same operation both encodes and decodes.
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