[davidcollantes]

This one seems simple: https://github.com/matteason/qr-code-generator. See it at http://qr.matteason.co.uk.

[matteason]

Thank you for sharing! I made this one. Had the same problem as the OP, the Google results are full of junk, so I made it just so I had something reliable to use.

[aosaigh]

Excellent, thanks you. This is perfect.