Use the built-in camera app on your Android device to scan a quick response (QR) code, or use a code scanner on older models.

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.

Here's how to scan a QR code on your iPhone or Android phone. Many phones have QR code scanners, but if yours doesn't, we also recommend some apps to help.

Secure your accounts effortlessly! Learn how to transfer Google Authenticator codes to your new phone with this step-by-step guide.

The switch to digital for everything from tickets to menus has been accelerated, and QR codes are a simple and convenient option for creating shortcuts to everything from phone apps to website links.

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