A side benefit of the Graffyard post – I fell over the ZXing decoder. Not needed in the wild, but if you’re wandering the web and see a QRCode – or if you’re testing stuff – it could be quite useful. In fact, I plan on using it tonight to test pictures of meltybead codes.
Step one – find a QRCode on the web:
Step three – go to http://zxing.org/w/decode.jspx and paste the location. Click ‘submit query’.
The QRCode does not have to be as pristine as our example – this decodes just fine: