This is exactly the way extensions ought to work. It's probably the best extension I know of.

Good

ビデオで学習するに使っています。
ネット環境のないところで、繰り返し勉強できるので助かっています。

讚

great add-on

Excelente Programa eu Recomendo

This add on is absolutely perfect. It is quick, slick, and works beautifully.

O melhor vídeo downloader da plataforma. Valeu cada centavo!

I love the new update that uses the system file browser UI. Also, I find that i no longer have to figure out which video file to download. It shows me the most relevant file on top.