🔗 URL Encoder / Decoder

Encode special characters in URLs or decode percent-encoded strings. Works with full URLs, query strings, and components.

🔒 Runs entirely in your browser — nothing is sent to any server
Mode:
Input
Output
 

When to use this

🔍
Read garbled linksSeeing %20, %3F in a URL? Paste it here and decode it instantly to read the original text.
📧
Fix links from emailsLinks in emails with spaces, accented letters, or symbols get percent-encoded. Decode to find the real URL.
🛠️
Build API query stringsSpaces, &, =, + break URLs. Encode your parameter value before adding it to a request.
📊
Decode UTM / tracking linksAd redirect URLs are heavily encoded. Decode to reveal the actual destination and campaign parameters.

Which mode?

encodeURIComponent — for a single value inside a URL (a search term, date, name). Encodes / ? & = # too.
encodeURI — for a full URL. Preserves :// / ? & structure, only encodes unsafe characters like spaces.