Query Parameters to JSON Converter

Convert URL query parameters to clean, formatted JSON. Perfect for API testing, data transformation, and debugging web applications.

✓ URL decoding✓ Array support✓ Nested objects✓ Pretty formatting

Working with URL Query Parameters

What are Query Parameters?

Query parameters are key-value pairs that appear after the ? in a URL. They're used to pass data to web applications and APIs, making URLs dynamic and interactive.

Example Formats

?name=John&age=30&city=New%20York
?tags[]=js&tags[]=react&active=true
?user[name]=John&user[email]=john@example.com

Use Cases

  • • API testing and debugging
  • • Form data analysis
  • • URL data extraction
  • • Configuration parsing
  • • Data transformation
  • • Analytics data processing

Features

  • • Automatic URL decoding
  • • Array parameter support
  • • Nested object handling
  • • Pretty JSON formatting
  • • Error handling
  • • Copy to clipboard

How to Use

  1. 1. Paste your URL or query string in the input field
  2. 2. The tool automatically extracts and parses query parameters
  3. 3. View the formatted JSON output
  4. 4. Copy the result to your clipboard