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JSON to Query String Converter

Convert JSON objects to URL query parameters. Perfect for building API URLs.

Input JSON
Query String

About JSON to Query String Conversion

URL query strings are used to pass parameters to web pages and APIs. Converting JSON to query string format makes it easy to build URLs programmatically from structured data.

This is particularly useful when working with GET requests, building search URLs, or constructing links with multiple parameters.

Related Tools

Query String to JSON

Convert query string back to JSON

JSON Escape

Escape JSON for URLs

JSON Validator

Validate JSON syntax

Frequently Asked Questions

The converter works best with flat JSON objects (no nesting). Each key-value pair becomes a URL parameter. Nested objects and arrays will be serialized as JSON strings.

Yes, all special characters are automatically URL-encoded to ensure the resulting query string is valid and can be used directly in URLs.

Arrays are converted to JSON strings and then URL-encoded. For repeated parameters, you may need to adjust the output manually depending on your API's requirements.