ROT13 text encoder
Apply ROT13 to Latin letters while keeping other characters unchanged.
Local processing · Nothing is uploaded · 1 MB input limit
Input & settings
Ready. Enter your input to begin.
How to use this tool
Paste text and run ROT13. Running the result through the same tool decodes it.
Limits and behavior
ROT13 is a reversible text substitution and provides no cryptographic security. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
ROT13 Text Encoder & Decoder Online
Rotate Latin letters by 13 positions for a simple reversible word puzzle. Use this browser-based utility to process supplied text and inspect the generated result.
Is ROT13 encryption for confidential messages?
No. Applying ROT13 twice recovers the original text; it provides no secrecy.
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