- simple optimization: 251K (gzipped: 57K)
- advanced optimization: 60K (gzipped: 22K)
The QR-Code Generator itself offers functionality for encoding Text, URLs, phone numbers and SMS. It has an option for shortening URLs. Wherefore it makes use of the goo.gl URL Shortener API. QR-Code-Images are generated using Google Chart API.
I've published a it as a WebApp on Chrome Web Store. That's also something I wanted to try out. Maybe even some people consider it useful.