Android and iOS both have built-in tools to easily open QR codes from screenshots.

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.

Add Yahoo as a preferred source to see more of our stories on Google. QR codes, short for Quick-Response codes, are pretty neat. You scan the code using your device's camera, which picks up embedded ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...