Current toolJSON & query string converter
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JSON & query string converter

Convert between JSON objects and URL query strings.

JSON ↔ URL Query String
Input
Output
Usage guide and examples

Set the input and check the result

Switch between JSON-to-query encoding and query-to-JSON parsing. Arrays produce repeated keys such as tag=a&tag=b, which parse back as arrays. Numbers and booleans are read back as strings after URL encoding.

Check the input format and options with this example before using your own data. Random values, file sizes and presentation vary with the input and settings.

Example input and settings

{"name":"Ada","tag":["a","b"]}

What to check in the result

name=Ada&tag=a&tag=b