Think you know iOS inside out? Well, think again. Unlock your iPhone's full potential with these hidden tweaks.

With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

Learn the easiest ways to scan QR codes on your PC using built-in tools, online scanners, browsers, and third-party apps. A step-by-step guide to quickly access links, files, and information from your ...

SINGAPORE – An app is being developed to help Singaporeans detect fraudulent QR codes that lead them to harmful sites when they are trying to access government services instead. Currently available ...

QR codes are everywhere—from restaurant menus and payment links to Wi-Fi credentials and app downloads. If you’re using an Android device, scanning a QR code is quick and easy, and in most cases, you ...

Back in July, Google widely introduced a redesign of the Android QR code scanner, but then rolled it back. The updated interface is now starting to reappear. This is the QR code scanner available from ...

Michelle is Lifehacker's Associate Tech Editor, and has been reviewing games, laptops, phones, and more for over 10 years. She is based in New York City and holds a master's degree from NYU. Did you ...

QR codes have become an everyday tool in our digital lives, making it easy to share links, connect to Wi-Fi, view menus, download apps, and much more with just a quick scan. Originally developed in ...

Scan QR codes faster with these tips. Image: D. Griffin Jones/Cult of Mac You can scan a QR code directly from your iPhone — you don’t need to download a third ...

It's generally best to avoid scanning a QR code of unknown origin, and caution is becoming more important as threats proliferate. Anybody can make a QR code in a matter of seconds using free online ...