Query Params to JSON Converter

Convert URL query parameters to JSON format instantly

Features

Smart Parsing

Automatically parse query strings from URLs or standalone parameters

Type Detection

Automatically detect numbers, booleans, and null values

Quick Copy

Copy converted JSON to clipboard with one click

Local Processing

All conversion happens in your browser

Frequently Asked Questions

A Query Params to JSON Converter is a tool that transforms URL query parameters (like ?name=John&age=30) into JSON format ({"name": "John", "age": 30}). This is useful for API debugging and data transformation.
Simply paste your query parameters or full URL into the input field. The tool accepts formats like '?name=John&age=30' or 'https://example.com?name=John&age=30'. Click 'Convert to JSON' to see the result.
Yes! The converter automatically detects and converts numbers, booleans (true/false), and null values to their proper JSON types. Strings remain as strings.
Absolutely! You can paste a complete URL like 'https://example.com/api?name=John&age=30' and the tool will extract and convert just the query parameters.
The tool properly handles URL-encoded characters and decodes them automatically. For example, %20 becomes a space in the resulting JSON.
Yes, all conversion happens locally in your browser. Your query parameters and URLs are never sent to any server, ensuring complete privacy.