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

Copying and pasting text, images, GIFs, and other file formats on a Mac can be done in a variety of ways.

QR codes are used for everything from opening a restaurant menu to making payments: just point your camera at the QR code, and your phone will automatically open the relevant page. But what happens ...