Do you want to pay for coffee without tapping a grimy screen? Here’s how to use your iPhone or Android phone to scan QR codes.

You can create your own QR code and direct people to a specific website, document, or any other type of media.

Rather than have a guest select your Wi-Fi network and then enter a fiddly password, just make them a QR code their iPhone can read. Here's how to do it.

Google is making file sharing simpler on Android with a new QR code feature in Quick Share, available now for users worldwide. Heres how it works.