Query String Parser

Parse a URL query string into individual key/value pairs directly in your browser.

Query String / URL Input

Parsed Parameters

Enter a query string and click Parse.

Build a Query String

Generated Query String

Runs entirely in your browser using the native URLSearchParams API — nothing is sent to a server. Repeated keys (e.g. tags=a&tags=b) are grouped into arrays in the parsed output.

Frequently Asked Questions

Yes — paste a complete URL and the tool automatically extracts just the query portion for parsing.

They're grouped into an array in the parsed output rather than one overwriting the other.

Yes — the Builder section below lets you add key/value pairs and generates the corresponding query string live.