JSONPath Tester

Test JSONPath expressions against your own JSON data free online. See matched values highlighted instantly. Supports dot notation, array indexing, and wildcards.

JSON Data

JSONPath

How to Use This Tool

Paste your JSONAdd the JSON document you want to query

Write a JSONPath expressionUse dot notation, indexing, or wildcards to target fields

Click TestSee exactly which values your expression matches

JSONPath Saves You From Writing Custom Extraction Code

You need the total field from every order inside a deeply nested user object, but you don't want to write a loop that walks the structure manually every time the shape changes slightly. JSONPath expressions describe what you want declaratively — $.user.orders[*].total reads almost like English and works regardless of how many orders exist in the array.

This tester lets you write that expression and immediately see what it matches against your actual sample data, rather than guessing and debugging inside whatever tool or pipeline you eventually plan to use it in.

The Patterns That Cover Most Real Use Cases

Dot notation ($.user.name) walks down through nested objects. Array indexing ($.items[0]) grabs a specific position. The wildcard ($.items[*].price) grabs the same field from every element in an array at once. Recursive descent ($..email) finds a field no matter how deep it is buried, useful when you know the field name but not its exact location in a complex structure.

Where JSONPath Gets Used in Practice

API testing frameworks use JSONPath assertions to verify specific response fields without checking the entire payload. ETL and data transformation tools use it to extract fields during pipeline steps. Logging and monitoring systems use it to pull specific values out of structured log entries for alerting. Testing your expression here first catches syntax mistakes before they cause silent failures in any of those contexts.

Frequently Asked Questions

JSONPath is a query language for extracting specific values from a JSON document, similar to how XPath works for XML. It is commonly used in API testing tools, data transformation pipelines, and logging systems to pull out specific fields without parsing the entire structure manually.

Standard dot notation like $.user.name, array indexing like $.items[0], wildcards like $.items[*].price, and recursive descent like $..email to find a field at any depth. This covers the most commonly used JSONPath features.

For simple cases they're similar, but JSONPath shines when you don't know the exact structure in advance or need to extract multiple matching values at once, like every price field anywhere in a deeply nested order document.

Testing against real sample data first lets you confirm the expression is correct before embedding it in an API testing script or a data pipeline transformation step, where a wrong path might fail silently or return unexpected results.

Basic filter expressions are supported for common comparison cases. Highly complex filter logic with multiple combined conditions may not be fully supported, since this tool focuses on the JSONPath patterns developers use most often.