QR Code Pro

About

Chrome extensions are powerful tools that can enhance the browsing experience and provide quick access to useful functionality. In this article, I'll walk you through building QR Code Generator Pro, a modern Chrome extension that generates QR codes from any webpage with advanced features like auto-detection, PDF generation, and a beautiful Apple-inspired interface.

What We're Building
Our extension will feature:

Side Panel Interface: Modern, persistent access without popup limitations
Auto-Detection: Automatically updates URL when switching tabs
Manual Refresh: Button to manually refresh the current tab URL
Size Presets: Small (150px), Medium (300px), Large (450px)
Multiple Export Formats: PNG, JPEG, and real PDF files
Custom Text Integration: Include descriptive text in downloaded media
Apple-Inspired Design: Clean, minimalist interface with subtle gray background
Material Symbols Icons: Modern, consistent iconography


- **Lightweight**: Minimal dependencies and optimized code
- **Fast Generation**: Real-time QR code updates
- **Memory Efficient**: Proper cleanup and resource management
- **Background Processing**: Tab detection runs in service worker


### Basic Usage

1. Click the extension icon in your browser toolbar
2. The side panel will open with the current page URL automatically populated
3. Click "Generate QR Code" to create the QR code
4. Use the action buttons to copy, download, or share