You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be. Read on for straightforward, illustrated instructions ...

Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes in seconds.

If your Android device is not scanning a QR code, there could be a number of potential issues at play.

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 ...

Free software on your phone or tablet lets you scan, create, edit, annotate and even sign digitized documents on the go.