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

The advantages of QR codes are first reflected in their storage capacity. Compared to traditional one-dimensional barcodes, ...

After years of declining use in the United States, QR codes have become ubiquitous during the pandemic. But in China, they’ve been consistently popular. Valerie Macon/Agence France-Presse ...