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URL Query String Parser
Parse the parameters out of any URL or query string into clean, readable JSON — repeated keys become arrays.
How to use this tool
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
Frequently asked questions
How are duplicate parameters handled?+
Keys that appear multiple times (e.g. color=red&color=blue) are collected into an array, matching how most web frameworks treat them.
Is my data private?+
Yes. The tool runs entirely in your browser — nothing you paste or type is uploaded to a server.
Learn more
- URL Query String Parser: how it works
- query string parser tips
- URL Query String Parser FAQs