A QR Code (Quick Response Code) is a type of two-dimensional (2D) barcode that stores information in a grid of black squares on a white background. Unlike traditional barcodes, QR codes can store much more data and can be scanned from any angle.
Retail & Point of Sale (POS) – Used in supermarkets for billing.
Inventory & Warehouse Management – Tracks products and stock levels.
Healthcare – Scans patient wristbands and medication labels.
Library Management – Helps in book check-in and check-out.
Logistics & Shipping – Tracks parcels and shipments.
Quick and Easy to Use – Just scan with a smartphone camera to access information instantly.
Stores More Information – Can hold links, text, contact details, or even Wi-Fi credentials.
Works Even if Partially Damaged – Can still be scanned even if a part of it is missing.
Cost-Effective – Free to generate and print, making it budget-friendly.
Reduces Contact – Helpful for digital payments, online menus, or e-tickets without touching anything.
Can Be Tracked – Businesses or schools can see how often a QR code is scanned.
Needs a Smartphone or Scanner – Cannot be used without a device that can scan QR codes.
Internet Connection Required – Many QR codes lead to websites, so an internet connection is necessary.
Security Risks – Hackers can create fake QR codes to steal data or spread malware.
Not Always Easy for Everyone – Some students or older people may find QR codes difficult to use.
May Not Work on All Devices – Some older smartphones may not have a built-in QR scanner.