what is qr code

Created on 22 May, 2023 | 134 views | 1 minutes read

A QR code, short for Quick Response code, is a two-dimensional barcode that can be scanned using a smartphone or a dedicated QR code reader. It was first created in 1994 by a Japanese company called Denso Wave, and it has become popular due to its ability to store large amounts of data in a small space and its ease of scanning.

QR codes consist of a grid of black squares on a white background, often with a square shape, although other shapes are possible as well. The information encoded in the QR code can be a variety of data types, such as text, URLs, contact information, or even multimedia content.

When you scan a QR code using a smartphone or QR code reader, the device's camera captures the image of the code, and specialized software decodes the information stored within it. This can lead to different actions depending on the type of data encoded. For example, scanning a QR code on a product packaging might lead you to a website with more information about the product, or scanning a QR code on a business card might add the contact details to your phone's address book.

QR codes are widely used in various applications, including marketing, advertising, ticketing, payment systems, and inventory management. They provide a convenient way to quickly access information or perform actions by simply scanning the code with a compatible devi