Query String to JSON Converter

Parse a query string or full URL locally and keep repeated parameter encounter order in JSON arrays.

Query string or full URL

ReadyRepeated parameter names become JSON arrays in encounter order.

How to use this Query String to JSON Converter

Convert a URL query string into JSON while preserving repeated parameter names as arrays. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.