ROT13 Cipher
Encode or decode text with the Caesar ROT13 (or custom shift) cipher.
Result
What is the ROT13 Cipher?
The ROT13 Cipher is a free online tool in our encoders & decoders collection. Encode or decode text with the Caesar ROT13 (or custom shift) cipher. Simply type or paste your content into the input area on this page and click the button to see the result instantly. Fast, accurate and private — nothing you enter is ever sent to or stored on our servers unless a server tool explicitly requires it. You can find dozens of related encoders & decoders across the site, all free to use 24/7. Our goal is to give creators, developers, marketers and students reliable everyday tools that load fast and respect their privacy.
How to use the ROT13 Cipher
- Enter your content in the input box above.
- Adjust any extra options if needed.
- Click Run Tool and your result appears instantly.
- Copy or download the output — it never leaves your device.
Why use Toolix.pk?
Free online tools for text, SEO, development, design, unit conversion and everyday tasks. Fast, private and always free. Every tool in this category is free forever and needs no account. Bookmark this page, share it with friends, and check back often — new tools are added every week.
Related Encoders & Decoders
More →Base64 Encoder
Encode any text or string to Base64.
Use toolURL Encoder
Percent-encode any string for safe use in URLs.
Use toolHex to Text Converter
Decode hexadecimal codes back to readable text.
Use toolVigenere Cipher Encoder / Decoder
Encrypt and decrypt text with the Vigenere polyalphabetic cipher.
Use toolBase64 Decoder
Decode Base64 back to readable text.
Use toolURL Decoder
Decode percent-encoded URLs back to readable text.
Use toolHTML Entity Decoder
Decode HTML entities back into normal characters.
Use toolMorse Code Decoder
Decode Morse code back to readable text instantly.
Use tool