What is QR Code? What Does It Do?

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What is QR Code (QR Code)?

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A QR code is a type of barcode that can be easily read by a digital device and stores information as a series of pixels in a square grid.

QR codes are square-shaped matrices of dark or light pixels used to encode and quickly retrieve data using computing devices.

It can store approximately 7,000 digits or approximately 4,000 characters, including QR codes, punctuation, and special characters. It can also encode information such as phone numbers or internet addresses.

The layout of each QR code changes depending on the information it contains, and this changes the layout of its black modules.

Static and Dynamic QR Codes

QR codes differ in design depending on the data and function being encoded and can basically be categorized in two ways: static and dynamic.

Once a static data matrix is ​​created, it cannot be changed. This is ideal for generating data matrixes for an event in bulk. A good example of a static QR code would be for your Wi-Fi password.

Dynamic QR codes allow you to change and edit the code as much as you want.

When the code is scanned, it redirects you to the URL contained in it. These codes give you the freedom to package your design, such as adding contrasting colors. They also have the ability to monitor and measure ad statistics.

What Can You Do With QR Codes?

Today, QR codes are used extensively to track products and product information through the supply chain.

QR codes can be used to view a menu, link a social media profile or add friends to an account, board a plane, download an app, send a payment, access Wi-Fi, and verify your login information.

How Can You Read QR Code?

Most smartphones are equipped with a QR code reader or scanner, but if yours doesn't, you can download it from your phone's app store.

To scan a QR code with your iPhone, simply open your camera app and focus on the QR code to read.

Similar improvements have been made for those who want to scan their QR code on Android 8 and higher.

Final Thoughts

Gir-in offers cloud-based solutions such as employee entry/exit processes, visitor management, survey management and cleaning management, using data matrix technology.