ROT13 & ROT47 Encoder
Encode and decode text with the ROT13 and ROT47 ciphers. ROT13 is its own inverse, so the same tool encrypts and decrypts. Free, private, instant.
Need this built for your product?
We design, build & host secure software & APIs.
Privacy & Security
All processing happens locally in your browser — nothing is uploaded.
How to Use
Type text and pick ROT13 or ROT47. Run it again on the output to decode.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
Related Tools
JSON Formatter
DeveloperFormat and beautify JSON in your browser. Pinpoints syntax errors by line and column, flags unsafe integers, and never uploads your data to a server.
JSON Validator
DeveloperValidate JSON syntax with precise line and column errors, and check documents against a JSON Schema. Runs locally in your browser, nothing uploaded.
Regex Tester
DeveloperTest regular expressions against sample text with live match highlighting, capture groups and flag control. Runs entirely in your browser.