Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

QR codes make it easy for people to point-and-tap to access an online menu, connect to Wi-Fi or link to any website. Learn how to create a QR code.

How to make a QR code Plenty of apps for computers and mobile devices will happily create a QR code for you. There are no major differences between most, so it doesn’t matter too much which one ...

You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...

Here's what experts say you need to know in order to avoid a fake QR code, which criminals use to scam unsuspecting people.

A Quick Response code, or QR code, is an easy way to access information on your mobile device. However, a scam that uses the codes at parking meters is making people become more vigilant before ...

Want to scan QR codes on your Windows PC without using your smartphone? Here are three ways to scan a QR code on Windows 10 and Windows 11.

When used as intended, the QR code is pretty cool. Just point the camera of your smartphone at a QR code and it will magically pop up a link you can tap to visit the designated website. The ...