JSON Path Finder

JSON Path Finder — Find Any Path in JSON

Working with deeply nested JSON APIs? This tool lets you visually explore JSON data and click on any key or value to instantly get its access path in multiple formats — JSONPath, JavaScript dot notation, and bracket notation.

Path Formats

JSONPath — $.users[0].name — Standard JSONPath syntax used by jq, JSONPath libraries

Dot notation — users[0].name — Clean JavaScript-style access

Bracket notation — ["users"][0]["name"] — Works with any key name including special characters

JS access — data.users[0].name — Ready to use in JavaScript with a data root variable

Use Cases

API development — Quickly find paths in complex API responses for mapping

Data extraction — Build jq queries or JSONPath expressions for data pipelines

Debugging — Navigate large JSON payloads to find specific values

Documentation — Generate accurate path references for API docs

Testing — Build assertions for API response testing

Features

Interactive tree view with expand/collapse, key and value search with highlighting, one-click copy for any path format, value type detection (string, number, boolean, null, array, object), and statistics showing total keys, depth, and data size.

Frequently Asked Questions

What is JSONPath and how does it work?

JSONPath is a query language for JSON, similar to XPath for XML. It uses dot notation and bracket notation to navigate JSON structures. A path like $.users[0].name selects the name of the first user. JSONPath is used in API testing tools like Postman, AWS Step Functions, and libraries across Java, Python, JavaScript, and Go.

What is the difference between dot notation and bracket notation in JSONPath?

Dot notation ($.user.name) is more readable and works for simple property names. Bracket notation ($.user['name']) is required for property names with spaces, hyphens, or special characters. Bracket notation also supports array indexing ($.items[2]) and wildcards ($.items[*]). Both are equivalent for standard alphanumeric keys.

What does the wildcard * do in JSONPath?

The wildcard * matches all elements at a given level. $.users[*].email returns all email values from every user in the array. The recursive descent operator .. finds a key at any depth: $..name matches all name fields anywhere in the document, regardless of nesting level.

How do I filter JSON arrays with JSONPath?

Use filter expressions with the ?() syntax: $.users[?(@.age > 18)] returns all users where age is greater than 18. The @ symbol refers to the current element being tested. You can use comparison operators (==, !=, >, <) and logical operators. Filters work on any array and are supported in most JSONPath implementations.

Where is JSONPath commonly used in practice?

JSONPath is used in API testing with Postman and REST Assured for assertions. AWS Step Functions use JSONPath for input/output path processing. Log analysis tools like Elasticsearch support JSONPath-like queries. It's also used in data transformation pipelines, CI/CD configuration, and JSON-based configuration management.

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