Allows the download of video as it says. The format is also great and you can set up custom directories too.

smatnik

very good

Excellent add-on.

Simple and easy to use. Best app I have encountered.

I like this add-on. very easy to use.

Consistenlty works and can dowload most of what I need, it can't get everything but it gets more than anything else I've found.

Very nice and efficient plug in

非常好用的下载视频音频的帮手！

够用，就是想免费下载YouTube的视频有水印

this extensions best downloader in internet very vey great

one of the best

Video DownloadHelper is one of the best tools for downloading videos, rename and also convert to various formats. It has many more features that I have never tried.

初心者でも、わかりやすい。重宝してます。