🎯 JSONPath Tester

Test JSONPath queries in real time to quickly extract and retrieve specific data in JSON.

Enter JSON and specify a JSONPath query
Query result paths will be displayed here

JSONPath Syntax Reference

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SyntaxDescriptionExample
$Root element$
.keyChild element access$.store
..keyRecursive descent (search all levels)$..author
*Wildcard (all elements)$.store.*
[n]nth element of array$.book[0]
[*]All elements of array$.book[*]
.lengthArray length$.book.length

Usage and Application Examples

  • Extract and check only the necessary fields from the API response
  • Quickly find specific values in deeply nested JSON data
  • Learn and test the syntax of JSONPath queries before incorporating them into production code
  • Recursive listing of specific keys and values in configuration files

What is JSONPath Tester?

JSONPath is a query language for extracting data from JSON documents, similar to XPath for XML. This tool lets you test JSONPath expressions in real time against sample JSON data. Instead of parsing nested JSON manually, you write a query expression and instantly see which elements match. Essential for developers working with APIs, configuration files, or data processing tasks.

How to Use

Paste your JSON data into the editor and write a JSONPath expression in the query field. The tool immediately highlights matching elements and displays results. Basic syntax: use $ for root, .property for object keys, [index] for array access, and * as wildcard. For example, $.users[*].email extracts all email addresses from a users array. Test expressions iteratively until you get the exact data slice needed.

Use Cases

• API response parsing: Extract specific fields from REST API responses containing dozens of properties, such as pulling user IDs and timestamps from a paginated response.
• Configuration validation: Verify that nested settings exist in JSON config files before deployment, checking paths like $.database.connections[0].host.
• Data transformation: Identify and extract elements for mapping to different formats—selecting prices from e-commerce APIs or pulling coordinates from location services.
• Log analysis: Query structured JSON logs to find error messages or specific event types across thousands of entries.

Tips & Insights

JSONPath supports both dot notation ($.store.book) and bracket notation ($.store['book']), giving flexibility for special characters in keys. Recursive descent (..) searches nested objects at any depth. Test your expressions thoroughly before using them in production code, as small syntax errors return empty results without clear error messages. Many programming languages have JSONPath libraries, making this tool valuable for prototype testing before implementation.

Frequently Asked Questions

What is JSONPath?

JSONPath is a query language for specifying and extracting specific values or nodes in a JSON document. Path expressions such as $.store.book[0].title provide quick access to the desired data.

What syntax is supported?

It supports the basic JSONPath syntax including root element ($), child element access (.key), recursive descent (. .key), wildcards (*), array index ([n]), array wildcards ([*]), etc. Basic JSONPath syntax is supported.

Is the data secure?

Yes. All processing is completed in the browser, and the JSON data entered is never sent to the server. You can use this service with peace of mind.

How to use it?

Enter JSON in the left area and JSONPath in the query field, and the match results will be displayed on the right side in real time. Sample JSON loading and preset queries are also available.

Can I copy the results?

Yes. You can copy the match results to the clipboard by clicking the "Copy" button in the results display area.

Do you have sample JSON?

Yes. Click the "Load Sample JSON" button to load a sample JSON file that imitates bookstore data, which you can use to learn JSONPath and check its operation.

Can I use filter expressions in JSONPath queries?

Yes, JSONPath supports filter expressions to select elements based on conditions. For example, $.store.books[?(@.price < 20)] selects books under $20, using comparison operators like <, >, == and logical operators to match specific criteria in your JSON data.

What does the recursive descent (..) operator do?

The recursive descent operator (..) searches for a key at any depth in your JSON structure. For example, $..name finds all 'name' fields anywhere in the data, regardless of nesting level. This is useful when you don't know the exact structure or need to extract matching fields from multiple levels.

How do I select a range of array elements?

You can use array slicing with syntax like [start:end]. For example, $.items[0:3] selects the first three items (indices 0, 1, 2), and you can use negative indices like [-2:] to get the last two items. Omitting start or end uses the array's beginning or end automatically.

What's the difference between JSONPath and jq?

JSONPath is a query language for selecting parts of JSON documents, while jq is a more powerful CLI tool that also supports transformations. This tool provides quick in-browser queries, whereas jq requires command-line usage but offers advanced features like piping and data transformation.

How does the tool handle invalid JSONPath syntax?

The tool highlights syntax errors and provides feedback when your query is malformed. Common mistakes include missing brackets, incorrect property names, or invalid operators—check that your syntax matches the JSONPath standard, including proper use of $ for root and @ for current nodes in filters.

Can I test multiple queries on the same JSON data?

Yes, you can enter different queries and test them sequentially without reloading your data. Each query executes independently against your JSON, making it easy to refine and test variations before using them in production applications.