Google Authenticator has been around for over a decade, is free, and will work with virtually every service that supports ...

Microsoft Authenticator – Sets up two-factor authentication by scanning QR codes presented by websites or services. Snapchat – Snapchat lets users scan Snapcodes, a type of QR code unique to ...

TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

All you have to do is scan a QR code for the service you want to turn 2FA on for, and the app will generate a new log-in code around every 30 seconds.

Transfer Confirmation: Once all QR codes have been scanned, the Google Authenticator app on your new phone will display a confirmation message, indicating the successful transfer of your accounts.

Your smartphone is full of surprises. There’s an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them ...

Can you scan a QR code from a screenshot or photo? Yep, you can.

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.

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