How to scan a QR code on an Android phone As QR codes have become more common, more manufacturers have built QR scanners directly into the default camera app.

Whether you receive a text message from a friend or a message on social media from your coworker, contact that person directly before you scan the QR code to make sure they haven't been hacked.

There are three different ways to scan QR codes on your iPhone, each with its own advantages. Here's how to use them and why you might want to pick one over the others.

By following these steps, you can easily scan QR codes from images on your mobile device, making it convenient to access information without needing to print or display the QR code physically.

Billion Photos // Shutterstock How scammers use QR codes to steal—and how you can protect yourself QR code scan with stop symbol on it.

QR codes can have custom designs, including different colors, backgrounds, and logos. By adding design elements to QR codes, you increase the overall size of the code.