QR code is a square-shaped black-and-white matrix. This matrix stores information. When a QR code is scanned by a camera or a reader, this information becomes readable. QR code was developed by a Japanese company called Denso Wave in 1994. It was first used in the automotive industry.
To create a QR code, you need to enter the information you want to a QR code generator app or website. This app or website converts the information to QR code format and presents it to you as an image. You can download, print or share this image. To read a QR code, you need to use a QR code reader app. This app allows you to point your camera to the QR code and shows the information.
QR code has many advantages. Some of them are:
- QR code can store a lot of information. A QR code can contain up to 4,296 alphanumeric characters of data.
- QR code can be easily read. A QR code can be scanned from any direction and quickly recognized.
- QR code can contain different formats of data. A QR code can include text, URL, email, phone number, SMS, vCard, location information and more.
- QR code is low-cost. You do not need to pay any fee to create and read a QR code.
- QR code can be used in various fields. A QR code can be useful in marketing, education, health, travel, gaming, social media, payment, personalization and more.
QR code also has some disadvantages. Some of them are:
- QR code can create security issues. A QR code can direct you to a malicious website or app or steal your personal information.
- QR code requires a reader app. You need to have an app on your smartphone to read a QR code.
- QR code can lose quality. A QR code can become unreadable if the printing quality is low or if it is damaged.
- QR code can be unattractive. A QR code may not look appealing visually or match your brand image.
You have learned what a QR code is and how it works. With our website qrnice.com, you can create your own QR codes. Just enter the information you want on our website and get a QR code instantly. To use our website, click [here].