How it works
JSON ↔ Query String is designed to give you the result immediately. The calculation or processing happens on your device for this tool, so normal use does not require an account or a file upload.
Privacy
This tool is marked offline-capable. Your inputs are used in the current browser/app session and are not required to be sent to Wiunix Tools to perform the operation.
Convert JSON objects and query strings
Convert flat JSON object values and arrays into URL query parameters, or collect repeated query keys back into JSON arrays.
- JSON → query string
- Query string → JSON
- Repeated-array values
- Local conversion