JSONPath Tester & Evaluator

A premium, free client-side utility to execute, test, and debug JSONPath expressions. Runs 100% locally with absolute privacy, completely for free.

Samples:

Live Eval

JSON Input

Empty Workspace

Evaluation & Results

JSONPath Expression

No query executed or invalid JSON.

Ready to evaluate

Interactive JSONPath Cheat Sheet

Click on any example below to instantly apply it to your workspace and see the matching nodes.

$.store.book[*]

All books Retrieves every book object in the store.

$..author

Recursive Authors Recursively finds all authors throughout the document.

$.store.book[0,1]

Multiple Indices Fetches the first and second book.

$.store.book[?(@.price < 10)]

Filter Price < 10 Filters and retrieves books costing less than 10.

$..book[?(@.isbn)]

Filter by Property Existence Filters books containing the "isbn" property.

$.store.book[-1:]

Last element slice Fetches the last book inside the array.

Demystifying JSONPath Query Syntax & Document Extraction

What is JSONPath and How is it Used?

JSONPath is to JSON what XPath is to XML. It is a standard syntax query notation used to target, slice, and extract nested segments from structured JSON documents. It is widely used in API testing frameworks, CLI automation, and cloud workflow systems. Our evaluator helps you prototype, test, and write queries against live structures interactively.

Understanding Filter Expressions and Selectors

JSONPath expressions look up nodes using standard selectors like `$.store.book[*].author`. You can also write conditional filters such as `?(@.price < 10)` or recursive descent wildcards `..` to parse massive payloads. Our interactive evaluator updates its results in real-time as you type, rendering either isolated arrays or formatted payloads.

Frequently Asked Questions (FAQ)

What are some common JSONPath syntax symbols?

`$` denotes the root object, `@` represents the current node being processed, `*` is a wildcard matching all fields, `..` searches recursively, and `?()` filters arrays based on comparison formulas.

Does this evaluator process query files in real-time?

Yes. As soon as you type or change a JSONPath string or input JSON data, our client-side library immediately compiles and parses the query, displaying syntax issues or extracted outcomes with no delays.

Is my JSON data kept private?

Absolutely. Everything runs client-side inside your browser sandbox. None of your JSON schemas or queries are transmitted or saved remotely, ensuring your sensitive business models remain fully secure.