QR codes are popular ways to scan menus, tickets, and apps. Here's how to do it from your Android phone or iPhone, and what the FCC says about it.

QR codes can house a whole lot of data, from the URL of a webpage or service, to where to directly download an app. Here's how to scan them.

QR codes are so popular that nearly every device with a camera lets you scan them. Here's how to do it with your phone, tablet, or computer.

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

Some developers would lead you to believe you need to download their app to scan QR codes. Spoiler: Your phone can do that with built-in features.

Despite the dwindling popularity of QR codes -- except for app-specific QR codes, like Snapchat's Snapcodes -- Chrome for iOS now makes it extra-easy to scan a QR code, should you ever spot one.