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Master Your JSON Data

The most powerful Chrome extension for viewing, analyzing, and manipulating JSON data - built with pure JavaScript, no dependencies.

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JSON Guru Screenshot

Powerful Features

Everything you need to master your JSON data in one extension

🔍

Multi-View Visualization

Interactive tree view with expand/collapse functionality and raw view toggle with syntax highlighting for improved readability.

🔎

Advanced Search

Full-text search across keys and values with match highlighting, navigation, and result count indicators.

🛤️

JSONPath Queries

Complete JSONPath implementation for complex data queries with dynamic example generation and results highlighting.

📊

Intelligent Analysis

Structure analysis, type information, pattern detection, and automatic JSON Schema generation.

✅

Schema Validation

Validate JSON against custom schemas with detailed validation error reporting.

🔄

Transformation Tools

Minify/Prettify, convert objects to arrays, transform keys, flatten objects, and more.

💻

Code Generation

Generate code from JSON for 9 programming languages including TypeScript, Python, Java, and more.

🔄

JSON Comparison

Compare JSON with pasted content, files, URLs, or clipboard with visual difference highlighting.

🌓

Light/Dark Themes

Automatic system preference detection with manual toggle and persistent preferences.

See It In Action

Explore the power of JSON Guru with our interactive demo

Tree View
Raw View
Analysis
Code Generation
response.json
1 {
2   "users": [
3     {
4       "id": 1,
5       "name": "John Developer",
6       "email": "john@example.com",
7       "active": true,
8       "roles": ["admin", "developer"],
9       "metadata": {
10         "lastLogin": "2023-10-15T14:22:10Z",
11         "preferences": {
12           "theme": "dark",
13           "notifications": true
14         }
15       }
16     },
17     {
18       "id": 2,
19       "name": "Sarah Tester",
20       "email": "sarah@example.com",
21       "active": true,
22       "roles": ["tester"],
23       "metadata": {
24         "lastLogin": "2023-10-14T09:15:32Z",
25         "preferences": {
26           "theme": "light",
27           "notifications": false
28         }
29       }
30     }
31   ],
32   "pagination": {
33     "total": 42,
34     "perPage": 10,
35     "currentPage": 1
36   }
37 }

What Developers Say

Join thousands of developers who use JSON Guru every day

JSON Guru has completely transformed how I work with API responses. The code generation feature alone has saved me countless hours of tedious work.

JD

Jake Davis

Full Stack Developer

As a QA engineer, the JSON comparison feature is invaluable. I can easily spot differences between expected and actual API responses.

MC

Maria Chen

QA Engineer

The JSONPath query support is next level. I can extract exactly what I need from complex nested structures without writing any code.

RJ

Robert Johnson

Data Analyst

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