Can I paste a full URL?
Yes. The tool extracts the query string from a full URL or accepts only the part after the question mark.
Encode tool
Query String to JSON
Convert URL query strings into JSON objects for debugging links and tracking parameters.
Common use cases
- Encode values for URLs and HTML.
- Decode copied tokens and payload snippets.
- Inspect data without switching tools.
Example input
https://aijsonformat.com/?utm_source=google&utm_medium=organic&q=json&q=toolsRelated tools
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Encode text for URLs or decode percent-encoded query strings.
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Parse a URL into protocol, host, path, query parameters, hash and origin.
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JSONFreeFAQ
How are duplicate keys handled?
Duplicate keys become arrays so repeated parameters are preserved.
Does this decode percent encoding?
Yes. URLSearchParams decodes percent-encoded values.