QR Code Generator

A simple, yet powerful web-based QR code generator with customization options. This tool allows you to create QR codes for any URL with various customization options.

Features

• URL to QR Code Conversion: Convert any URL into a QR code
• Customization Options:
  • Adjustable size (100px to 400px)
  • Error correction levels (Low, Medium, Quartile, High)
  • Custom colors for both dark and light elements
  • Adjustable margin size
• Real-time Updates: QR code updates automatically when settings change
• Responsive Design: Works well on both desktop and mobile devices
• Modern UI: Clean and user-friendly interface

Usage

1. Open index.html in your web browser
2. Enter the URL you want to convert into a QR code
3. Customize the QR code using the available options:
   • Adjust the size using the slider
   • Select the error correction level from the dropdown
   • Choose custom colors using the color pickers
   • Adjust the margin size using the slider
4. Click "Generate QR Code" or wait for automatic updates
5. The QR code will appear below the settings
6. Right-click on the QR code to save it as an image

Error Correction Levels

• Low (7%): Suitable for simple QR codes with good scanning conditions
• Medium (15%): Default setting, good balance between size and reliability
• Quartile (25%): Better for complex QR codes or moderate scanning conditions
• High (30%): Best for damaged QR codes or difficult scanning conditions

Technical Details

• Built with vanilla JavaScript
• Uses QRCode.js library
• No server-side processing required
• Works completely in the browser

Browser Compatibility

The QR Code Generator works in all modern browsers:

• Chrome
• Firefox
• Safari
• Edge
• Opera

License

This project is open source and available under the MIT License.

Credits

• QR Code generation powered by QRCode.js