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 processed in your browser and is never uploaded.
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.