Query String to JSON
Parse URL query parameters into structured, decoded JSON objects with array support.
The full specification and SEO index for this tool is live. The interactive client-side converter is currently in build queue.
{
"status": "ready_for_converter",
"tool_slug": "query-string-to-json",
"tool_name": "Query String to JSON",
"category": "data-to-json",
"priority": "P3",
"client_side_ready": true
} ✓ How to Use the Query String to JSON
- 1
Paste a URL or query string (e.g. ?name=John&tags=dev,ai).
- 2
The converter decodes parameters into a JSON object.
- 3
Review the decoded JSON in the output box.
- 4
Copy the structured object.
Query String to JSON: Overview & Capabilities
A Query String to JSON converter decodes URL search parameters into structured JSON objects, automatically handling nested keys and arrays.
Parse URL query parameters into structured, decoded JSON objects with array support. Engineered for developers, it runs 100% client-side in your browser for zero latency and complete privacy—no data is ever stored or transmitted across remote networks.
Explore deeper technical specifications in our comprehensive guide: Data to JSON Developer Reference Guide →
Key Capabilities
- Decodes URL-encoded characters (%20, +, etc.)
- Supports bracket notation for arrays (e.g. filter[]=a&filter[]=b)
- Supports dot-notation for nested objects (e.g. user.id=1)
- Auto-coerces numbers and booleans
Frequently Asked Questions
Can I paste a full URL or only the query string?
You can paste full URLs with domains; the tool extracts the query string portion automatically.
How are repeating parameters handled?
Repeating keys are converted into an array of values.
Does it decode special characters and spaces?
Yes, all standard percent-encoded characters are decoded.
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