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JSON Path Query

Run JSONPath expressions against live data and copy matching nodes in one click.

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Query JSON by path

JSONPath is a shorthand for reaching deep values without chaining optional accessors in code. Paste a document, enter an expression, and CalcForge returns every matching node—handy for exploring unfamiliar API responses or prototyping selectors.

Good fits

  • Extracting nested fields from verbose REST or GraphQL payloads
  • Testing selectors before wiring them into automation or ETL scripts
  • Filtering array items by property (e.g., all orders with status "shipped")
  • Documenting data locations for teammates without spelunking raw JSON
Document:
{"store":{"books":[{"title":"Dune","price":12},{"title":"Neuromancer","price":9}]}}

Expression: $.store.books[*].title
Matches: ["Dune","Neuromancer"]

Practical notes

  • Start with `$` for the root; use `[*]` to walk every element in an array.
  • Filter expressions like `[?(@.price < 10)]` depend on engine support—verify results on a small sample.
  • Combine with JSON Search when you know a string value but not its path.

Frequently asked questions

Which JSONPath dialect does CalcForge use?

The tool follows common JSONPath conventions used in JavaScript ecosystems. Test edge cases on your sample data before production scripts.

Can one expression return multiple matches?

Yes. Wildcards and recursive descent (`$..field`) often yield arrays of results—each match is listed in the output panel.

What if my document fails to parse?

Repair or format the JSON first. JSONPath runs only on valid, parsed trees.

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