What is a QR Code and How Does It Work?
QR (Quick Response) code is a 2D barcode that can store up to 4,296 characters of text. Any smartphone camera can scan it instantly. QR codes are used for website links, digital payments (UPI), WiFi sharing, contact cards (vCard), and product information.
QR Code Use Cases for Businesses
- → Business cards — link to your portfolio or LinkedIn profile
- → Restaurant menus — customers scan to view digital menu
- → Contactless payments — UPI payment QR code
- → Event tickets — digital check-in system
- → Product packaging — link to warranty registration or user manual
- → Google reviews — direct customers to your review page