Master Your JSON Data
The most powerful browser extension for viewing, analyzing, and manipulating JSON data - built with pure JavaScript, no dependencies.
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
Discover how JSON Guru transforms your workflow
How It Works
Using JSON Guru is intuitive and powerful
Install Extension
Add JSON Guru to your browser from the Chrome Web Store with one click.
Browse JSON
Navigate to any URL that returns JSON or open local JSON files.
Analyze & Transform
Instantly view, search, validate, transform, and generate code from your JSON.
Try It Now
Ready to Master Your JSON?
Join thousands of developers who trust JSON Guru for their everyday JSON needs