QR codes are so popular that nearly every device with a camera lets you scan them. Here's how to do it with your phone, tablet, or computer. How to scan a QR code with an iPhone or iPad Both ...

But what if the QR code is on your phone screen? Fortunately, you can scan a QR code on your phone without needing a second device. Here's how to do it. Google Lens offers a quick and easy way to ...