JSON Viewer Pro By PatilWeb EN

A powerful and elegant Chrome extension for viewing, formatting, and analyzing JSON data on web pages.

Validates and makes JSON documents easy to read.

JSONViewer port for Chrome is an updated version of Gildas' JSOnView extension.

JSON Viewer Pro - Chrome Extension

🔍 Transform Your JSON Experience

**JSON Viewer Pro** is the ultimate Chrome extension for viewing, formatting, and editing JSON data with professional-grade features. Whether you're a developer, data analyst, or API enthusiast, this extension revolutionizes how you work with JSON content across the web.

✨ Key Features

🚀 **Intelligent Auto-Detection**
- **Smart JSON Recognition**: Automatically detects and formats JSON content on any webpage
- **Programming Language Support**: Recognizes and converts output from Python, JavaScript, PHP, Java, C#, and Ruby
- **Mixed Content Handling**: Processes multiple JSON elements on the same page individually
- **Context-Aware Processing**: Distinguishes between single JSON pages and mixed content

🎨 **Professional Formatting**
- **Beautiful Syntax Highlighting**: Color-coded JSON with proper indentation
- **Collapsible Structures**: Expand/collapse nested objects and arrays
- **Type-Specific Styling**: Visual distinction between strings, numbers, booleans, and null values
- **Dark/Light Theme Support**: Seamless integration with your preferred theme

✏️ **Advanced JSON Editor**
- **Real-Time Editing**: Live JSON editor with instant validation
- **Syntax Validation**: Real-time error detection with helpful error messages
- **Auto-Formatting**: One-click JSON beautification and formatting
- **Apply Changes**: Update displayed content directly from the editor
- **Error Prevention**: Disabled save functionality for invalid JSON

🛠️ **Developer-Friendly Tools**
- **Copy Functionality**: One-click copying of formatted JSON
- **View Original**: Switch between formatted and original content
- **Full Formatter Mode**: Open complex JSON in a dedicated viewer
- **Manual Trigger**: Force formatting when auto-detection is disabled
- **Export Options**: Save formatted JSON to files

🔄 **Programming Language Output Conversion**

🎯 **Python Output Support**
- Converts `True`/`False`/`None` to JSON equivalents
- Handles single-quoted strings and dictionary syntax
- Supports complex nested Python structures

🎯 **JavaScript Console Output**
- Processes `Object { }` and `Array(3) [ ]` formats
- Handles `console.log` output from browsers
- Converts `undefined` to `null` appropriately

🎯 **PHP var_dump Output**
- Parses PHP array and object dumps
- Converts PHP type annotations to JSON
- Handles nested PHP structures

🎯 **Java Object Output**
- Processes HashMap and ArrayList toString formats
- Handles Java object notation like `User{id=1, name=Alice}`
- Converts Java collections to JSON arrays

🎯 **C# Object Output**
- Supports C# property syntax
- Handles List collections and anonymous objects
- Converts C# specific types to JSON

🎯 **Ruby Object Output**
- Processes Ruby hash syntax with symbols
- Handles `:key => value` notation
- Converts Ruby arrays and nested structures

🎯 **Smart Placement & Performance**
- **Conservative Placement**: Places formatters exactly where content appears
- **No Page Disruption**: Preserves original page functionality
- **Performance Optimized**: Handles large JSON files efficiently
- **Error Resilience**: Graceful handling of malformed content
- **Memory Efficient**: Minimal resource usage

🎯 🔧 **Customization & Settings**
- **Auto-Format Toggle**: Enable/disable automatic formatting
- **Syntax Highlighting**: Toggle color coding
- **Collapse Settings**: Control default expand/collapse behavior
- **Theme Preferences**: Choose between dark and light themes
- **Manual Control**: Override auto-detection when needed

🎯 📱 **User Experience**
- **Drag & Drop Support**: Drop JSON files directly onto pages
- **File Size Limits**: Smart handling of large files (up to 10MB)
- **Loading Indicators**: Visual feedback during processing
- **Keyboard Shortcuts**: Efficient navigation and control
- **Responsive Design**: Works on all screen sizes

🎯 🌟 **Perfect For**

🎯 **Web Developers**
- API response debugging and analysis
- JSON configuration file editing
- Database query result formatting
- REST API testing and validation

🎯 **Data Analysts**
- JSON data exploration and visualization
- Data structure analysis
- Export formatting for reports
- Complex nested data navigation
🎯 **QA Engineers**
- API response validation
- Test data formatting
- Error response analysis
- Integration testing support

🎯 **System Administrators**
- Configuration file management
- Log file analysis (JSON format)
- API monitoring and debugging
- System integration testing

🎯 🔒 **Privacy & Security**

- **No Data Collection**: Your JSON data never leaves your browser
- **Local Processing**: All formatting happens locally on your machine
- **No External Servers**: Complete privacy and security
- **No Tracking**: We don't track your usage or collect analytics
- **Open Source**: Transparent codebase for security verification

🎯 📊 **Technical Specifications**

- **Browser Support**: Chrome, Chromium-based browsers
- **File Size Support**: Up to 10MB JSON files
- **Performance**: Optimized for large datasets
- **Memory Usage**: Minimal resource consumption
- **Compatibility**: Works with all websites and web applications

🎯 🎉 **What Makes Us Different**

🎯 **Comprehensive Language Support**
Unlike other JSON viewers that only handle pure JSON, we support output from 6+ programming languages, making us the only extension you need for any data format.

🎯 **Advanced Parsing Engine**
Our sophisticated parsing engine handles complex nested structures, malformed JSON, and edge cases that break other viewers.

🎯 **Professional Editor**
The built-in JSON editor with real-time validation and error detection is perfect for quick edits and testing.

🎯 **Smart Detection**
Our intelligent detection system knows …