Read and generate QR codes for products, URLs, vCards, phone numbers, calendar events, and more with this fun and useful app.

Search for a QR Code Decoder: Open your browser and search for an online decoder tool. Upload the Image: Follow the website's instructions to upload the QR code screenshot.

The appeal of QR codes is obvious: They’re touch-free and easy to scan. They have a frank, unimpeachable logic. As Joe Waters, the author of “QR Codes for Dummies,” put it: “They just work.” ...