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URL Parser & Builder

Parse any URL into its components —protocol, host, path, query params, hash —or assemble a URL from individual fields. Uses the browser's native URL API · no server, no tracking.

Developer Tools Runs locally No data sent
URL Parse Build Network Query Params client-side only
URL Input
0 chars
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Components
Enter a URL on the left to see its components.
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Parses any valid URL into its components using the browser's native URL API. Build mode assembles a URL from individual fields and encodes query parameters automatically.

What is URL Parser?

Break a URL into protocol, host, path, query, and hash parts instantly. Useful for debugging links, redirects, and tracking parameters.

How to Use URL Parser

  1. Paste the full URL into the input field.
  2. Review the parsed protocol, host, path, query string, and fragment parts.
  3. Inspect individual query parameters when you need to debug tracking or API links.
  4. Copy the decoded pieces or use the result to rebuild a cleaner URL.

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String Escape / Unescape
Escape or unescape strings for JSON, JavaScript and HTML
Understand URL Parts ▾
Common Use Cases
  • Inspect query parameters in tracking links
  • Debug malformed URLs before sharing or deploying them
  • Check redirect targets and fragments during QA
  • Break down API endpoint URLs for documentation
Frequently Asked Questions
Are percent-encoded characters decoded?

Yes —%20 →space and all other percent-encoded sequences are decoded in the display.

Does it support data: URIs?

data: URIs are parsed but the data payload is not decoded.

What does URL Parser & Builder Online —Parse & Construct URLs Free do?

URL Parser & Builder Online —Parse & Construct URLs Free runs entirely in your browser and helps you complete this task without uploading data to a server.

Is URL Parser & Builder Online —Parse & Construct URLs Free free to use?

Yes. This tool is free to use and does not require sign-up.