URL Parser

Parse and analyze URL components.

URL Parsing

Break a URL into its components - protocol, host, port, path, query parameters, and fragment. Useful for debugging, understanding redirect URLs, or extracting specific parts.

Paste any URL and see each piece identified. The query string gets parsed into individual key-value pairs for easy reading.

URL Components

https://user:[email protected]:8080/path?query=value#section
└─┬──┘ └───┬───┘ └────┬────┘ └─┬─┘└─┬─┘└────┬────┘└──┬───┘
scheme  userinfo    host    port path  query     fragment

Understanding URL Structure

A URL (Uniform Resource Locator) follows a standardized structure defined by RFC 3986. The full format is: scheme://[user:password@]host[:port]/path[?query][#fragment]. Each component serves a specific purpose: the scheme defines the protocol (http, https, ftp), the host identifies the server, the path specifies the resource location, and the query string passes parameters.

Query parameters use key=value pairs separated by ampersands (&). The fragment (after #) identifies a specific section within the page and isn't sent to the server. Understanding URL anatomy is essential for web development, SEO, API design, and debugging'our parser breaks down any URL into its constituent parts for easy analysis.

Frequently Asked Questions

What's the difference between path and query string?

The path (/folder/page) identifies a resource on the server and is part of the URL hierarchy. The query string (?key=value) passes additional parameters and typically doesn't change what page is served, just how it's rendered or what data it filters. REST APIs often use path for resources and query for filters.

Why is my URL showing as invalid?

Common issues include missing scheme (must include http:// or https://), unencoded special characters, spaces instead of %20, or malformed query strings. Ensure your URL follows the standard format and uses percent-encoding for special characters.

What is the fragment for?

The fragment (text after #) is used for client-side navigation'it tells the browser to scroll to a specific section with a matching ID. Single-page applications (SPAs) often use fragments for routing. Importantly, fragments are never sent to the server; they're handled entirely by the browser.