A QR code is a type of barcode that can be scanned by a smartphone camera to access information or a website. They’re often used as a quick and easy way to link to a specific page or piece of information, without having to type a long URL into a browser.

For example, you might see a QR code on a poster for an event, and by scanning it with your phone, you can be taken directly to the event website where you can find more information or buy tickets. Or you might see a QR code on a product in a store, and by scanning it, you can learn more about the product, read reviews, or compare prices.

The nice thing about QR codes is that they’re fast and convenient. All you have to do is point your phone camera at the code, and the information is right there. You don’t have to type anything, or remember a URL, or even have an internet connection.

To use a QR code, you’ll need a smartphone with a camera and a QR code reader app. These apps are usually free to download, and once you have one installed, you’ll be able to scan any QR code you come across.

So that’s what a QR code is and how it’s used. It’s a handy tool for accessing information quickly and easily, and it’s becoming more and more popular all the time.