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.

The Camera app on your Windows computer lets you easily scan QR codes using your PC's webcam. If you need to scan a QR code ...

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Massachusetts on Monday launched an online website where residents can obtain a QR code to show proof that they have been vaccinated against COVID-19. The QR code can be scanned at various ...

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 ...

Maybe you’ve been nervously carrying your COVID-19 vaccine card for months, worried you'll lose it. Maybe you’ve already misplaced it and had to request a new one. Worries and hassle, be gone: you can ...

The last two years have been something of a renaissance for QR codes in the United States. Brands across industries were forced to embrace them to deliver products and services in contact-free ways.