[ "Go in Action", "TypeScript" ]
About JSONPath Finder
When you face a deeply nested JSON and want to pull out a field or filter elements by condition, JSONPath is the most direct tool. This tool runs JSONPath queries locally in your browser, showing matches and the hit count in real time, with built-in example expressions you can apply in one click. Nothing is uploaded, so you can safely paste real API data. Tip: Bookmark this tool for quick access during your web development work. All processing happens locally in your browser with no installation required.
Use Cases
- Debug API responses — Pull a specific field out of a complex response to verify the data is as expected.
- Bulk-extract data — Use expressions like $..price to grab every field of the same name at once.
- Conditional filtering — Use [?(@.price<30)] to filter matching elements and quickly locate target data.
- Learn JSONPath — Write and see results alongside the examples to master JSONPath syntax fast.
- Design data mapping — When designing field mapping for low-code or pipelines, verify paths here first.
- Verify API contract paths — Run a JSONPath expression from your API contract against a real response to confirm the field exists at the expected path.
- Extract error details — Use $..errors[*].message to collect all user-facing error strings from a validation response in one go.
FAQ
Which JSONPath syntax is supported?
Mainstream JSONPath: $ root, . child, [] index, * wildcard, .. recursive descent, and [?(@.field)] filter expressions.
Why is the result an array?
JSONPath may match multiple nodes, so results are always returned as an array, even a single hit is wrapped in one.
What if the expression is wrong?
An invalid expression shows "Invalid JSONPath"; fix it to re-query in real time without affecting the original JSON.
Can it handle large JSON?
Yes, queries run locally. Complex recursive queries on very large data may lag slightly — trim it with our JSON Formatter first.
Is it the same as jq?
Similar idea, different syntax. JSONPath is closer to XPath style; if you know jq, treat this as a visual in-browser alternative.
Any browser compatibility requirements?
This tool works in all modern browsers (Chrome, Firefox, Edge, Safari). No plugins or extensions required.
Can I use it offline?
After initial load, most features work offline. The core logic runs entirely in your browser with no network dependency.