parseformat.com

URL Query String to JSON

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JSON output
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Free Online URL Query String to JSON

Convert a query string or full URL into pretty-printed JSON. Duplicate keys become arrays so multi-value parameters are easy to inspect and reuse.

Example

foo=1&bar=two&tags=a&tags=b

→

{
  "foo": "1",
  "bar": "two",
  "tags": ["a", "b"]
}