I'm not near a Pixl at the moment, but anyone who wants to try this can use http://www.espruino.com/Image+Converter
Even if that doesn't work, a smaller QR code containing less data (<=32 pixels so you can double it up) would be fine I'm sure.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I'm not near a Pixl at the moment, but anyone who wants to try this can use http://www.espruino.com/Image+Converter
Even if that doesn't work, a smaller QR code containing less data (<=32 pixels so you can double it up) would be fine I'm sure.