QR二维码生成

Generate a QR code for the current page URL, automatically replace local (localhost/127.0.0.1) domains with an external IP, or generate one for a specified URL or file content. Generate a QR code for the current page URL. Features: 1. Generate a QR code for the current page URL by default 2. Automatically replace local (localhost/127.0.0.1) domains with an external IP 3. Generate QR codes for any text content 4. Download QR codes locally 5. Keep URL history 6. Set the QR code's center logo and its size 7. Change QR code foreground and background colors 8. Change the generated QR code's size