Query String to JSON Converter - Free, Instant, In Your Browser
Paste a query string like a=1&b=2 to get an equivalent JSON object.
How to use QUERYSTRING → JSON
- 1Paste your text or data into the input box above.
- 2QUERYSTRING → JSON runs instantly, right in your browser.
- 3Copy the result or use it directly.
Your file is only processed temporarily for the conversion and is automatically deleted within 24 hours.
Frequently Asked Questions
Does this handle repeated keys?
Yes - if a key appears more than once, its values are collected into an array.
Do I need to include the leading question mark?
No, it is optional - both ?a=1&b=2 and a=1&b=2 work.