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JSONPath Evaluator

Evaluate JSONPath expressions against JSON data and view matching results. All processing happens in your browser.

Evaluates as you type.
Matches: 0
Type: -

JSONPath Cheat Sheet

ExpressionDescriptionExample
$Root objectThe entire JSON document
$.keyChild property$.store
[*]All elements of an array$.store.book[*]
[n]Array element at index n$.store.book[0]
[-n]Array element from the end$.store.book[-1]
[start:end]Array slice$.store.book[0:2]
[start:end:step]Array slice with step$.store.book[0:4:2]
..Recursive descent (deep scan)$..title
[?()]Filter expression$..book[?(@.price<10)]
[?(@.key)]Filter: has property$..book[?(@.isbn)]
[*].keyProperty of all array items$.store.book[*].title
$..keyAll values of a key anywhere$..price

How It Works

This tool evaluates JSONPath expressions against your JSON data entirely in the browser. JSONPath is a query language for JSON, similar to XPath for XML. It lets you extract specific values from complex JSON structures using path expressions.

  • Root $ — every expression starts with $ representing the root object
  • Dot notation $.key — access properties by name, like JavaScript dot notation
  • Bracket notation $['key'] — alternative property access, required for keys with special characters
  • Recursive descent .. — searches all levels of the document for matching keys
  • Filters [?()] — select array elements that match a condition using @ to reference the current item
  • Wildcards [*] — match all elements in an array or all properties of an object

Common Use Cases

  • API debugging — extract specific fields from large API responses
  • Data transformation — pull values for mapping or filtering
  • Configuration — query nested config files for specific settings
  • Testing — validate JSON response structure in automated tests

Embed This Util

You can embed this util on your own site as a widget. Adding ?embed=1 to the URL loads a compact version with just the tool itself; no header, menu, or documentation. Paste this snippet into your HTML: 


    

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