Fast, no online BS, and the feature of saving the QR code as an image (including SVG) is really valuable.

very good

You click on it, It generates a QR code, you scan it with your phone, that's it.
Simple, to the point, I love it!

シンプルさが良い。スマートフォンで見たい時に、アドオンのボタンを押せば即座にスキャンできる。