What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

Your smartphone is full of surprises. There’s an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

You can scan a barcode with your iPhone by using a third-party app. Currently, there are no built-in apps that can read barcodes. Your iPhone can automatically scan QR codes using the built-in camera ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

QR codes make it possible to scan an image with your phone’s camera to open a link. In the early days of Android, the easiest way to post links to Android apps was with QR codes, which is why older ...

It’s hard to believe that something nefarious can lie within a QR code, but it can. QR codes have become a convenience of modern life. Just scan the black and white mosaic with your phone’s camera and ...

I was playing around on my iPhone the other day and happened to use 3D Touch on the icon for the Google Chrome Web browser. Imagine my surprise when one of the “quick actions” that Chrome presented ...

Google updated APIs responsible for the barcode and QR code scanning to allow them to auto-zoom when a possible barcode or QR code is detected. This feature could soon roll out to Android 13 and above ...

You may have noticed that I frequently post QR codes/barcodes when writing about Android programs. That’s because they’re the easiest way to give you a sort of ...