🔄ROT13 Encoder
Encode and decode text using the ROT13 cipher.
🆓 Free🔒 Secure⚡ Instant📱 Mobile-friendly🚫 No signup
Encode and decode text using ROT13 cipher online for free. Simple letter substitution cipher.
ROT13 Output (paste output back to decode)
Uryyb Jbeyq
How to Use ROT13 Encoder — Step by Step
- 1Type or paste your text into the input
- 2Click 'Encode / Decode' — ROT13 shifts each letter by 13 positions
- 3The same operation decodes ROT13 back to plain text
- 4Copy the encoded or decoded output
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Frequently Asked Questions
Is this tool completely free?
Yes. All ToolNest tools are 100% free with no signup required, no account, and no watermarks added to output files.
Are my uploaded files secure and private?
All uploads use HTTPS encryption during transfer. Files are processed on secure isolated servers and automatically deleted within 2 hours of upload.
Does this tool work on mobile phones?
Yes. ToolNest works on any modern browser on iPhone, Android, tablet, or desktop — no app download or plugin needed.
Do I need to create an account?
No. Just open the tool, upload your file, and download the result. No email, no signup, no password.