URL encoder and decoder
Percent-encode text for URLs and query strings, or decode encoded URLs back to readable text. Free and private.
🔒 Your files stay on this device. Nothing is uploaded.
Input
Your files stay on this device. Nothing is uploaded.
Choose whether to encode a full URL (keeps :/?& intact) or a value for a query string (encodes everything).
How it works
- Paste text or a URL.
- Encode or decode.
- Copy.
This tool runs entirely in your browser. Your files are never uploaded, so there is no size limit and it works offline once loaded.
Frequently asked questions
encodeURI or encodeURIComponent?
Use "component" for a single value going into a query string; use "full URL" when you have a complete address with slashes and question marks that must stay.