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>_laboratory.sh

JSONPath Evaluator

Evaluate JSONPath expressions against your JSON data with real-time results.

How to Use JSONPath Evaluator

Step 1

Paste your JSON data into the input field.

Step 2

Enter a JSONPath expression (e.g. $.store.books[*].title).

Step 3

View matching results displayed instantly below.

Step 4

Copy the results or adjust your expression as needed.

Features

Real-time JSONPath evaluation as you type.

Supports dot notation, bracket notation, and wildcards.

Recursive descent search with $..key syntax.

Clear error messages for invalid JSON or expressions.

Completely client-side — no data leaves your browser.

FAQ

This tool supports dot notation ($.key), nested paths ($.key.nested), array indexing ($[0]), wildcard on arrays ($.array[*].field), and recursive descent ($..key).

Recursive descent searches the entire JSON tree for any key matching the specified name, regardless of depth. For example, $..name will find every 'name' field at any level.

No. All JSONPath evaluation happens locally in your browser. Nothing is transmitted to any server.

The tool displays a clear error message if your JSON input cannot be parsed. Fix the syntax and try again.