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

You can use your iPhone to scan documents, QR codes, and other files using the Notes app and your camera.

Sometimes, you may need to turn a physical document into a digital file, either to keep a copy on your computer or send it to someone via email. If you have an all-in-one or multi-function printer, ...

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