The code pulls in a Google API QR generator and provides you with a QR code as an image! The following is his code, which can be easily modified to suit your needs: =image("https ...

This rectangular-shaped QR code is designed to be used on narrow ... Decoding is performed by separating the color image into its RGB components and then decoding the resulting three images.

This will let you open the web page for a QR code in an image, coming in handy for opening QR codes from a screenshot or a ...