Developer

URL Encode / Decode

Encode special characters in URLs or decode percent-encoded strings. Runs entirely in your browser.

Encode mode:
Output appears here…
encodeURIComponent encodes all special chars. encodeURI preserves :// ? # & = for full URLs.

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Frequently asked questions

What is the difference between encodeURI and encodeURIComponent?

encodeURI encodes a full URL and preserves characters like / and ?. encodeURIComponent encodes a URL component (like a query value) and also encodes those characters.

Is my data sent to a server?

No. Encoding and decoding runs securely in your browser without uploading.

How to URL encode and decode online for free

Percent-encode or decode URL strings securely in your browser without uploading.

  1. Enter your text or URL Paste the string you want to encode or decode.
  2. Choose mode Select Encode or Decode, and whether to use encodeURIComponent or encodeURI.
  3. Copy result Copy the output.