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Query String Converter

Parse complete URLs or query strings into JSON, preserve repeated keys as arrays, and rebuild safely encoded query parameters.

Query string input
Repeated parameters become arrays and are preserved when converting back.

Parsed parameters

{
  "q": "privacy tools",
  "tag": [
    "json",
    "developer"
  ],
  "page": "2"
}
The Complete Guide

About the Query String Converter

Parse complete URLs or query strings into JSON, preserve repeated keys as arrays, and rebuild safely encoded query parameters.

Your input is processed locally in your browser and is not uploaded.

How to use Query String Converter

1

Enter your input

Add the value or settings you want to process.

2

Review the result

Check the generated output and any validation messages.

3

Copy, save, or reset

Copy the result, save locally, or start over.

Common Use Cases

Complete a quick query string converter task without installing software.

Use Query String Converter for this workflow without sending the input to an external service.

Keep a reusable result or draft in your local workspace.

Use Query String Converter for this workflow without sending the input to an external service.

Combine the output with related tools in the same workflow.

Use Query String Converter for this workflow without sending the input to an external service.

Frequently Asked Questions

Common questions about Query String Converter.

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