Free Online Query String Parser
This free query string parser runs entirely in your browser — no signup and no file uploads. Parse URL query strings into key/value pairs or JSON, and rebuild query strings safely.
This tool runs in your browser. Your inputs are processed on your device and are not uploaded to ToolsForgeLabs servers for this calculation. Privacy Policy
Input
Output
{}How to use this free tool
- Paste a URL or query string.
- Parse.
- Edit pairs if needed.
- Copy JSON or rebuilt query.
Examples
UTM inspect
Input: ?utm_source=x&id=1
Output: {utm_source: x, id: 1}
Related searches
People looking for a query string parser often also search for free query string parser, url query parser, parse query params, qs parser, search params tool, and query param parser. This page covers that search cluster without duplicate URLs.
FAQ
Does it decode percent-encoding?
Yes—values are decoded for readability.
Duplicate keys?
Shown as multiple values or arrays depending on mode.
Related to UTM Builder?
UTM Builder creates campaign params; this inspects any query string.
How do I use a free query string parser?
To use this free query string parser, open Query String Parser on this page and paste a URL or query string. Results update instantly in your browser with no signup.
What is a query string parser?
A query string parser is a tool that helps you parse and rebuild url query parameters. ToolsForgeLabs provides Query String Parser as a free, private, client-side utility.
Is there a free online tool for query string parser?
Yes — Query String Parser is a free online tool for query string parser. Core features stay free with no account, and processing stays in your browser.
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