URL Query String Parser
Extract URL query parameters into an editable table, modify values, and rebuild the URL.
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What is the URL Query String Parser?
URL query strings encode parameters as key-value pairs following the ? delimiter. Complex URLs from analytics platforms, APIs, and web applications often contain dozens of parameters that are difficult to read in raw form. This parser splits the query string on & delimiters, decodes percent-encoded values, and presents them in an editable table. Modifications are instantly reflected in a rebuilt URL, making it easy to test API endpoints, debug tracking parameters, or construct complex URLs without manual encoding.
How to use the URL Query String Parser?
- Paste a full URL with query parameters (e.g. https://example.com?page=1&sort=name&filter=active).
- The parser automatically extracts all key-value pairs into an editable table.
- Edit values directly in the table, add new parameters, or delete rows.
- Click 'Rebuild URL' to generate the updated URL with your changes.
- Click 'Copy' to copy the parsed parameters or rebuilt URL.
Frequently Asked Questions
What is a URL query string?
A query string is the part of a URL after the ? character. It contains key-value pairs separated by & characters (e.g. ?page=1&sort=name). Query strings pass data to web servers without changing the URL path.
How are special characters handled in query strings?
Special characters in query parameter values are percent-encoded (e.g. spaces become %20 or +, & becomes %26). This parser automatically decodes them for display and re-encodes when rebuilding.
Can I parse URLs with hash fragments?
Yes. The parser correctly separates the query string from any hash fragment (#section). Only query parameters before the hash are parsed.
Is this tool safe for URLs with sensitive parameters?
Yes. All parsing runs in your browser. URLs containing API keys, tokens, or authentication parameters are never transmitted to any server.