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Description
Transform Your JSON Workflow with JSON Master Pro
JSON Master Pro is a powerful Chrome extension designed for developers, data analysts, and anyone who works with JSON data. It brings professional-grade JSON formatting and conversion tools directly to your browser.
KEY FEATURES
Auto-Formatting & Validation
• Automatically detects and formats JSON content on web pages
• Beautiful syntax highlighting with collapsible structure
• Real-time JSON validation with detailed error messages
• Toggle auto-formatting on/off for any website
Multi-Language Code Conversion
• Convert JSON to Java classes with getters/setters and constructors
• Generate Golang struct definitions with JSON tags
• Generate Python class definitions with properties and helper methods
• Create TypeScript class definitions with methods
• Build Protocol Buffer message definitions
• Convert to XML format with proper structure
Developer Tools
• Minifier for production-ready JSON
• Copy to clipboard functionality
• Download formatted JSON as file
• Right-click context menu integration
• Line numbers and collapsible structure (like VSCode)
Smart Features
• Intelligent JSON detection on web pages
• Multiple themes (Dark, Light, Cyber)
• Responsive design for all screen sizes
• Performance optimized for large JSON files
• Local processing - no data sent to external servers
PERFECT FOR
• Web Developers: Format API responses, validate JSON configs
• API Developers: Convert schemas to language-specific types
• Data Analysts: Format large JSON datasets, validate data integrity
• Students: Learn JSON structure with visual formatting
• QA Engineers: Validate API responses and data formats
PRIVACY & SECURITY
• 100% Local Processing: All JSON processing happens in your browser
• No Data Collection: We don't collect, store, or transmit your data
• No External Requests: No data sent to external servers
• Secure: Follows Chrome extension security best practices
BEAUTIFUL INTERFACE
• Modern, tech-inspired design
• Multiple themes to match your preference
• Smooth animations and interactions
• Responsive design works on all screen sizes
PERFORMANCE
• Lightweight with minimal memory footprint
• Optimized for large JSON files
• Smart detection reduces unnecessary processing
• Fast parsing and formatting algorithms
EASY TO USE
1. Auto-Formatting: JSON content is automatically detected and formatted on web pages
2. Popup Interface: Click the extension icon for advanced formatting and conversion tools
3. Context Menu: Right-click on JSON text for quick formatting and conversion options
4. Settings: Customize themes, toggle features, and adjust preferences
WORKS EVERYWHERE
• GitHub, Stack Overflow, API documentation sites
• JSON API endpoints and responses
• Configuration files and data files
• Any website with JSON content
REGULAR UPDATES
We continuously improve JSON Master Pro with new features, performance optimizations, and bug fixes based on user feedback.
WHY CHOOSE JSON MASTER PRO?
• Professional Grade: Built with developers in mind
• Feature Rich: More than just a formatter - it's a complete JSON toolkit
• Privacy Focused: Your data stays on your device
• Performance Optimized: Handles large files efficiently
• Beautiful Design: Modern, intuitive interface
• Free: No cost, no ads, no tracking
Transform your JSON workflow today with JSON Master Pro!
Reviews
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Permissions (4)
Permissions
activeTabℹ Can access the current tab when you click the extension clipboardReadℹ Can read from your clipboard contextMenusℹ Can add items to the right-click menu storageℹ Can store data locally in your browser
Details
| Version | 1.1.0 |
| Updated | Oct 19, 2025 |
| Size | 119KiB |
| First Seen | Mar 22, 2026 |
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