ROT13 Converter
Apply the reversible ROT13 substitution to Latin letters while leaving numbers, punctuation and other characters unchanged.
About ROT13 Converter
Apply the reversible ROT13 substitution to Latin letters while leaving numbers, punctuation and other characters unchanged.
How to use ROT13 Converter
Paste text and run the converter. ROT13 shifts A–Z and a–z by thirteen positions; applying the same tool again restores the original.
When ROT13 Converter is useful
- Obfuscate spoilers or lightweight plain-text content.
- Decode legacy ROT13 text.
- Demonstrate a simple substitution cipher.
Practical tips
- ROT13 is not encryption and provides no security.
- Applying ROT13 twice returns the original Latin letters.
- Characters outside A–Z and a–z are preserved unchanged.
ROT13 Converter FAQ
Is ROT13 secure encryption?
No. ROT13 is a simple reversible substitution and should never be used to protect passwords or confidential data.
How do I decode ROT13?
Run the ROT13 converter again on the encoded text; the same operation reverses itself.
Gizlilik ve dosya işleme
Submitted values are processed to produce the requested result. This tool does not require an external content-generation provider. Avoid submitting confidential information unless you are comfortable with the site's server and hosting retention policies. See the Gizlilik Politikası for details.