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

Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be. Read on for straightforward, illustrated instructions ...

Question: Do I still need a separate app to scan bar codes and QR codes with my iPhone? Answer: Quick Response (QR) codes — those black-and-white square images often found on packaging — have been ...

You’ll be a scanner in no time with this guide to getting the all-conquering QR codes ...

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.