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

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

Tired of juggling stacks of bills, invoices, and reports? Apps like Dropbox can turn your smartphone into a portable scanner, making document management a breeze. Similar to a traditional scanner, ...