URL Parser

Decompose URLs into components including protocol, domain, port, path, query parameters, and fragment identifiers.

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About URL Parsing

A URL (Uniform Resource Locator) consists of several components that identify a resource on the web.

  • Protocol - The scheme (http, https, ftp, etc.)
  • Host - The domain name or IP address
  • Port - The server port (default: 80 for HTTP, 443 for HTTPS)
  • Path - The file path on the server
  • Query - Key-value parameters after the ?
  • Fragment - The hash/anchor after the #
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How to Use URL Parser

  1. Enter or paste the URL you want to analyze
  2. Click "Parse URL" to break it into components
  3. View protocol, host, port, path, and query parameters
  4. See decoded values for URL-encoded characters
  5. Copy individual components for use in your applications
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About URL Parser

URLs pack multiple pieces of information into a single string—protocol, authentication, host, port, path, query parameters, and fragments. Our URL Parser breaks down any URL into its constituent components, making complex URLs understandable and debuggable.

URL Components Explained

  • Protocol (Scheme): http, https, ftp, or other protocols defining how to access the resource
  • Authentication: Optional username:password (rarely used in modern URLs for security reasons)
  • Host: Domain name or IP address of the server
  • Port: Network port number (defaults: 80 for HTTP, 443 for HTTPS)
  • Path: Location of the specific resource on the server
  • Query String: Key-value parameters following the ? character
  • Fragment: Page anchor following the # character (not sent to server)

Development and Debugging

When APIs return unexpected results, parsing the request URL often reveals misconfigured parameters. Marketing campaign tracking relies on UTM parameters in query strings—our tool extracts and displays each parameter clearly. Redirect debugging requires understanding which URL components change between hops.

Security Analysis

Phishing URLs often use subdomains or paths that mimic legitimate sites—parsing reveals the actual host. URL encoding can obscure malicious content—we decode these characters for analysis. Understanding URL structure helps identify suspicious redirects and parameter injection attempts.

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Frequently Asked Questions

What components does URL parsing identify?
We break down: protocol (https), hostname (www.example.com), port (443), path (/page/subpage), query string parameters (?key=value), fragment (#section), and authentication (user:pass@). Each component is explained and separately copyable.
How do I extract query parameters from a URL?
Paste any URL and we parse query parameters into a table: parameter name, value, and decoded value (if URL-encoded). Export as JSON or individual values. This is useful for debugging tracking parameters, API calls, or affiliate links.
What is URL encoding and decoding?
URL encoding replaces special characters with percent-encoded equivalents (%20 for space). Our tool shows both encoded and decoded versions of each component. Encoded URLs are safe for transmission; decoded are human-readable.
How do I compare two URLs?
Enter two URLs and we highlight differences in each component. This helps identify why seemingly similar URLs might behave differently - different protocols, ports, trailing slashes, or query parameter ordering can all matter.
What is a URL fragment and how is it used?
The fragment (#section) identifies a location within a page. Browsers scroll to elements with matching IDs. Fragments aren't sent to servers - they're client-side only. Modern SPAs use fragments for routing. Our tool shows fragment usage.
Can I build a URL from components?
Yes! Enter protocol, host, path, and parameters separately, and we construct the properly formatted URL. Add query parameters easily, set encoding options, and generate valid URLs without manual concatenation errors.