Writer & Dev
JSON Path Extractor: Query and Flatten Nested JSON Online
Query nested JSON with paths like $.users[0].email or flatten an entire document into dot-notation keys. Useful for API debugging, mapping fields and spotting structure at a glance.
Runs in your browser — your text is never uploaded or stored.
Quick answer
JSON Path Extractor & Flattener is a free online tool that query nested JSON with paths like $.users[0].email or flatten an entire document into dot-notation keys. Useful for API debugging, mapping fields and spotting structure at a glance.
- Cost: free, no signup or limits.
- Privacy: runs 100% in your browser; text is never uploaded.
- Works on: desktop and mobile browsers, offline once loaded.
- Category: Writer & Dev.
2 results
ada@example.com linus@example.com
How to Use
- 1.Paste your JSON document into the input box.
- 2.Type a path such as $.data.items[*].id, or switch to Flatten mode.
- 3.Copy the extracted values or the flattened key list.
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FAQ
Which JSONPath syntax is supported?
Dot and bracket notation with numeric indexes and wildcards — for example $.a.b[0], a.*.id and items[*].name.
What does flatten do?
It turns nested objects and arrays into one line per leaf value, like user.address.city = Cairo.
Is there a size limit?
Only your device's memory. Everything is parsed locally with no upload.
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