JSON Viewer Pro Expand,Editor,Auto,Drag-Drop,Output Dump 2 json By PatilWeb

View, format, edit, expand/collapse, drag & drop, and export JSON with advanced features in Chrome and support output from 6+ programming languages, making us the only extension you need for any data format.

✨ Features
🎨 Beautiful JSON Formatting: Syntax highlighting with collapsible objects and arrays
🔍 Auto-Detection: Automatically detects JSON content on web pages
🌙 Dark/Light Theme: Toggle between light and dark themes
📋 Copy to Clipboard: Easy copying of formatted JSON data
📊 JSON Analysis: Shows object count, array count, and file size
⚡ Real-time Validation: Instant JSON validation and error reporting
🎯 Context Menu Integration: Right-click options for JSON operations
🔧 Customizable Settings: Auto-format, syntax highlighting, and collapsible options
⚡ Works on any valid JSON page even on local files too
🔧 Smart JSON Detection: Automatically detects JSON content on web pages
📊 JSON Analysis: Shows object count, array count, and file size
⚡ Real-time Validation: Instant JSON validation and error reporting
🎯 Context Menu Integration: Right-click options for JSON operations
📝 Internal JSON Viewer: Dedicated page for pasting and formatting raw JSON data
📁 File Upload Support: Drag & drop or browse for JSON files
🎯 Smart UI: JSON-specific controls appear only when JSON is detected on the page
🔄 Expand/Collapse All: Toggle visibility of all JSON nodes at once
⌨️ Keyboard Shortcuts: Quick actions with keyboard combinations

Internal JSON Viewer
Click "📝 Open JSON Viewer" in the extension popup
Opens a dedicated page for pasting and formatting raw JSON
Features:
Split-panel interface (input/output)
📁 File Upload: Click "Open File" to select JSON files from your computer
🎯 Drag & Drop: Simply drag JSON files directly into the input area
Real-time JSON validation and formatting
Live statistics (size, objects, arrays, properties)
Sample JSON loader for testing
Full expand/collapse functionality
Dark/Light theme toggle
Keyboard shortcuts: Ctrl+Enter (format), Ctrl+Shift+E (expand all)
File Support: .json and .txt files (up to 10MB)
✅ Auto-format JSON: Automatically format detected JSON
🎨 Syntax highlighting: Enable/disable color coding
📁 Collapsible objects: Make objects and arrays collapsible
🌙 Dark theme: Switch between light and dark themes

✨ 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 popular language
- **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 when to format in-place vs. full-page, ensuring your browsing experience is never disrupted.

🎯 **Zero Configuration**
Works out of the box with sensible defaults, but provides advanced customization for power users.
🎯 📝 **Version History**

- **v2.0+**: Advanced programming language support, JSON editor, performance improvements
- **v1.5+**: Dark theme, file support, manual triggers
- **v1.0+**: Basic JSON formatting and syntax highlighting

🎯 🆘 **Support & Feedback**

- **Feature Requests**: We actively listen to user feedback
- **Bug Reports**: Quick response to issues
- **Documentation**: Comprehensive guides and examples
- **Community**: Active user community for tips and tricks

🎯 🏆 **Awards & Recognition**

- ⭐ **5-Star Rating** from thousands of developers
- 🏅 **Editor's Choice** for developer tools
- 💯 **100% Privacy Compliant** - no data collection

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**Transform your JSON workflow today with JSON Viewer Pro - the most comprehensive JSON tool for Chrome!**

*Download now and experience the difference that professional JSON handling makes in your daily development workflow.*

✨ Features
🎨 Beautiful JSON Formatting: Syntax highlighting with collapsible objects and arrays
🔍 Auto-Detection: Automatically detects JSON content on web pages
🌙 Dark/Light Theme: Toggle between light and dark themes
📋 Copy to Clipboard: Easy copying of formatted JSON data
📊 JSON Analysis: Shows object count, array count, and file size
⚡ Real-time Validation: Instant JSON validation and error reporting
🎯 Context Menu Integration: Right-click options for JSON operations
🔧 Customizable Settings: Auto-format, syntax highlighting, and collapsible options
⚡ Works on any valid JSON page even on local files too
🔧 Smart JSON Detection: Automatically detects JSON content on web pages
📊 JSON Analysis: Shows object count, array count, and file size
⚡ Real-time Validation: Instant JSON validation and error reporting
🎯 Context Menu Integration: Right-click options for JSON operations
📝 Internal JSON Viewer: Dedicated page for pasting and formatting raw JSON data
📁 File Upload Support: Drag & drop or browse for JSON files
🎯 Smart UI: JSON-specific controls appear only when JSON is detected on the page
🔄 Expand/Collapse All: Toggle visibility of all JSON nodes at once
⌨️ Keyboard Shortcuts: Quick actions with keyboard combinations

Settings Available
✅ Auto-format JSON: Automatically format detected JSON
🎨 Syntax highlighting: Enable/disable color coding
📁 Collapsible objects: Make objects and arrays collapsible
🌙 Dark theme: Switch between light and dark themes

Note:
This extension might have conflict with other JSON highlighters/beautifiers, like 'JSON Formatter', 'JSONView', 'Pretty JSON' and so on – Please, disable those before trying this for better experience.
Try it out on these URLs:
https://djamol.github.io/test_content/
https://jsonplaceholder.typicode.com/posts 100 posts
https://jsonplaceholder.typicode.com/comments 500 comments