And then an insulting "Try a modern, up to date browser".
You should not discriminate by user agent. Do feature detection instead:
https://duckduckgo.com/?q=user+agent+vs+feature+detection&t=...
Have you given it a try before, @jkeat? They tend to market themselves to designers first and foremost.
Come on, Opera 46 is the same as latest Chrome. Fix your UA detection to be feature based not UA name based.
No thanks, I like open-source.
Personally, I liked how the tool solves the problem and the simple design.