You have probably already noticed colorful black and white squares on most products. Many people don't even pay attention to them. In fact, this digital picture is called a QR code and contains useful information. This article explains in detail what a QR code is and how to use it.
What is this?
QR code was originally used in 1994 in Japan to introduce goods accounting. This innovation turned out to be a very successful project and appeared outside the country in a short time. But what is a QR code and how to use it? By its structure, this is a digital picture, which is a block of encrypted text information. It was created as a two-dimensional implementation of a barcode, but unlike it, it contains much more information.
How to use QR code on Android
In order to read it, a lot of programs have been developed for various devices, including Android. Almost all of these applications are free and freely available for download. The technology uses the well-knownencryption type, so any resource can help you.
Any device with a camera can scan information from a QR code, all you need is the necessary software. The main elements during scanning are search patterns. These are black squares in and around all corners. They guide and enable the digital encryption scanner not to get confused among all these points, and also to find out its location in the reading visibility. Anyone who wishes can create their own personal QR code by encrypting the necessary information in it. You can enter your personal data there within the size of this encryption, since the code itself is not dimensionless and will only fit up to 2953 bytes of data.
Finding a generator is also easy. This is usually the same resource that provides scanning services. To create your own code, all you have to do is give the program the information you want to encrypt. Usually, new devices on the Android platform already have installed (wired) scanners and generators. And if this is not the case, you can easily download it from the Play Market. It shouldn't be a problem to choose an app, as they are all fully functional.
We hope you found this article useful and now you know how to use the QR code. We do not recommend downloading utilities for reading and generating from third-party resources, you can expose your device to malware infection.