Query String to JSON Converter

Parse a URL query string into a JSON object. Free, secure, and works directly in your browser.

Query String Input

JSON Output 

{
  "result": "Your JSON will appear here"
}

How to use Query String to JSON Converter

  1. Enter a URL query string in the input field.
  2. Click "Convert to JSON" to parse the query string into a JSON object.
  3. Use the "Copy" button to copy the JSON to your clipboard.
  4. Multiple values for the same key will be converted to an array.

Features

  • Supports standard URL query string format (key=value&key2=value2).
  • Instantly converts parameters into a clean, readable JSON structure.
  • Handles URL-encoded characters and multiple value parameters correctly.
  • Works directly in your browser with no software installation required.

Who Is This Tool For?

This tool is essential for web developers and API testers who need to easily interpret and work with data passed through URLs.

Why Convert Query Strings to JSON?

Converting a query string to JSON is a fundamental step for debugging APIs, analyzing web traffic, and programmatically handling URL parameters, as it transforms a flat string into a structured, machine-readable data object.

Frequently Asked Questions

Is this Query String to JSON Converter free?

Is my query string data secure?

How do I use this converter?

What format of query string does it support?

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