A QR scanner is a type of software or app that allows you to scan and read Quick Response (QR) codes
using your smartphone or other mobile device. QR codes are two-dimensional barcodes that can store a lot
of information, such as website URLs, contact information, product details, and more. When you scan a QR
code with a QR scanner, the code is decoded and the information it contains is displayed on your device.
QR scanners are commonly used in marketing and advertising, as well as in business and personal settings
to quickly and easily share information. They are also used for mobile payments, ticketing, and other
applications that require fast and secure data transfer.
Overall, a QR scanner is a convenient and efficient tool for accessing and sharing information in a variety of contexts.