What is Query String Parser?
Query String Parser parses URL query strings (?key=val&foo=bar) into key-value pairs and JSON objects.
How to use Query String Parser
Paste a query string or URL to output structured parameter tables and JSON.
Key features
- Parses query strings to key-value parameters and JSON
- 100% client-side operation
Common use cases
- Debugging tracking parameters and API query parameters
Technical details & standards
Parses URLSearchParams objects client-side.
Frequently asked questions
How are duplicate keys handled?
Duplicate keys are parsed as array lists.
Is my data safe?
All processing happens entirely in your browser. Your data never leaves your device and is never sent to or stored on a server.
Does it work offline?
Yes. Once the page has loaded, most tools keep working without an internet connection.