Software built into the cameras on iPhones and Android phones makes quick work of decoding QR codes. How do you do that on a laptop or desktop computer? I have a friend who calls me occasionally to ...

Scanning QR codes with smartphones is easy. However, sometimes you don’t want to use your smartphone and wish to scan the QR code natively on your computer. The good news is it’s possible to scan QR ...

Anatomy of a QR code While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths. At the ...

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I have a friend who calls me occasionally to come help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and ...

Pranay Parab is an independent tech journalist based in Mumbai, India. He covers tech for Lifehacker, and specializes in tutorials and in-depth features. 1Password has updated its various apps to ...

Have you ever found yourself having to constantly write out or say your Wi-Fi login and password to family and friends that visit or stay over? I know I have. A simple solution to that problem is to ...

I have a friend who calls me occasionally to come help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and ...