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 and parses just the query string portion, no need to trim it manually first.

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.