URL Query String to JSON Converter
Convert URL query strings and parameters into clean JSON format
Supported Formats
Standard query string:
?name=John&age=30&city=Boston
Without question mark:
name=John&age=30&city=Boston
URL-encoded values:
name=John%20Doe&message=Hello%20World
Array parameters:
items[]=apple&items[]=banana&items[]=orange
About the URL Query String to JSON Converter
Convert URL query strings and URL-encoded data into clean, readable JSON format. Perfect for developers working with API parameters, form data, or debugging URL parameters.
Features:
- Parse query strings with or without the leading "?"
- Handle URL-encoded characters automatically
- Support for array parameters (param[]=value)
- Pretty-printed JSON output
- One-click copy to clipboard
- Works with form data and API payloads
Supported Formats:
- Standard query strings: ?key=value&key2=value2
- Without question mark: key=value&key2=value2
- URL-encoded data: key=hello%20world
- Array parameters: items[]=1&items[]=2
- Nested parameters: user[name]=John
Use Cases:
- Debugging API request parameters
- Analyzing URL query strings
- Converting form data to JSON
- Testing URL parameter handling
- API documentation and examples
- Learning URL encoding formats