Superb man..
It make my work easy...

每次用到都需要点开菜单在找到插件点击，有点繁琐。为什么不让它显示在地址栏旁边（很多插件都可以做到这一点）？

like it the best Add on

Says the file is corrupt. Cannot be downloaded

great app

Great

Works perfectly on my Android TV box.
Simple function but really effective!!!

Great tool for adding playback capability that is lacking for Firefox Quantum, on certain sites. Unfortunately, there's no ability to select the quality of video being presented, when there are multiple bitrate options-- but at least I don't have to switch browsers anymore!