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.

They make life easier by letting you access links, download files, or make payments with just a quick scan. But what if the QR code you need to scan is on your phone itself?

But really, anytime there is a QR code, the tell-tale sign on if it's real is in the details. "You can scan the code, but you need to pay close attention to what that URL is.

To generate and share a WiFi QR code on an iPhone running iOS 18, open the Passwords app, select the Wi-Fi option, choose your network, and tap Show Network QR Code. Your friend can scan the code ...

There are plenty of ways to scan QR codes on a laptop, but you may not realize how easy it is to do with a little help from software or apps.