0-suite /
ui0

URL Encoder / Decoder

100% client-side. Your input never leaves this page. Verify: DevTools → Network.

Input
Output
URL parts

Percent-encode text for safe use in URLs, or decode an encoded string back to readable text. "Component" mode uses encodeURIComponent (escapes ?, &, / and more — for query values), while "Full URI" uses encodeURI, which leaves URL structure intact.

Paste a complete URL and the parts panel breaks it into protocol, host, path, hash and a table of query parameters. All local — your URLs are never uploaded.