JSONPath Tester Online - Test JSONPath Expressions

JSON Input
JSONPath Expression
Examples
Matched Results
No matches or empty expression...

What This Tool Does

JSONPath Tester Online - Test JSONPath Expressions is built for deterministic developer and agent workflows.

Test and validate JSONPath expressions with real-time results. Free online JSONPath tester with syntax help, examples, and interactive JSON tree with click-to-path feature.

Use How to Use for execution steps and FAQ for constraints, policies, and edge cases.

Last updated:

This tool is provided as-is for convenience. Output should be verified before use in any production or critical context.

Agent Invocation

Best Path For Builders

Browser workflow

Runs instantly in the browser with private local processing and copy/export-ready output.

Browser Workflow

This tool is optimized for instant in-browser execution with local data handling. Run it here and copy/export the output directly.

/jsonpath-tester/

For automation planning, fetch the canonical contract at /api/tool/jsonpath-tester.json.

How to Use JSONPath Tester Online - Test JSONPath Expressions

  1. 1

    Paste your JSON

    Input a JSON object or array. Any valid JSON structure works: nested objects, arrays, mixed types.

  2. 2

    Enter a JSONPath expression

    Start simple: $.name (single property), $.items[0] (first array item), $.users[*].email (all email fields), $.store.books[?(@.price < 10)] (filtered results).

  3. 3

    Test and debug

    The tool instantly shows matching results as you type. Mismatched paths show no results, helping you debug syntax. Try variations until you get the right matches.

  4. 4

    Use in your code

    Once working, integrate JSONPath into your code using libraries like jsonpath-ng (Python), jsonpath (Node.js), or jq (CLI). Use for data extraction and transformation.

Frequently Asked Questions

What is JSONPath Tester?
JSONPath Tester lets you test JSONPath expressions against JSON data with real-time results. It features an interactive JSON tree with click-to-path, syntax help, and built-in examples.
How do I use JSONPath Tester?
Paste your JSON data in one panel and type a JSONPath expression in the query field. Results update in real-time as you type. Click any node in the JSON tree to auto-generate its path.
Is JSONPath Tester free?
Yes. This tool is free to use with immediate access—no account required.
Does JSONPath Tester store or send my data?
No. All processing happens entirely in your browser. Your JSON data never leaves your device — nothing is sent to any server.
What is JSONPath used for?
JSONPath is a query language for extracting data from JSON documents, similar to XPath for XML. It is commonly used in API testing, data transformation, and configuration tools to select specific values from nested JSON structures.