JSON to Query String Converter - Free, Instant, In Your Browser
Paste a flat JSON object to get an equivalent, properly encoded query string.
How to use JSON → QUERYSTRING
- 1Paste your text or data into the input box above.
- 2JSON → QUERYSTRING 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 array values?
Yes - array values produce a repeated key for each item, e.g. {"tag":["a","b"]} becomes tag=a&tag=b.
Are special characters encoded?
Yes, values are percent-encoded automatically so the result is safe to use directly in a URL.