QR codes existed long before smartphones, and your device can scan them right out of the box. Here’s how to use this helpful feature without third-party software.

QR codes aren't going away anytime soon. Here's how to make your own.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have.

QR codes are easy to use, if you know how to access the information they contain and have an internet connection.