Conversion

Query String Parser

Parse query strings into readable JSON.

TIPS

  • Useful for checking URLs with UTM parameters.
  • Repeated keys can be inspected as arrays.

About Query String Parser

Query String Parser is a free online tool that converts URL parameters such as `a=1&b=2` into readable JSON.

  • No installation required. It runs directly in the browser.
  • Built for quick checks during development, operations, and lightweight data cleanup.
  • Includes a copy-friendly output area to shorten repetitive work.

FAQ

Can it handle a leading `?`?

Yes. A leading question mark is supported.

What if the same key appears multiple times?

Repeated keys are grouped into arrays.