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太好用了!!!

Never had such a good one，it's perfect

Best extension for downloading from non youtube sites

très bien facile a utiliser

Best add-ons in the world. You know what I mean.. best for every video you love

powerful plugin

Excellent in general!

This extension is very easy to use and has been a great asset for video downloads. Please make sure that you choose the specific web browser you would like to download from.

Fácil de usar y disponible en multitud de webs

Hands down the easiest to use and fastest video downloader I've ever used. Amazing.

用這個下載很多檔案了，VERY GOOD~~

Дуже файна програма. Працює майже на всіх сайтах.

非常好的用户体验，大部分网站都可以，尤其是一些其它插件无效的网站，下载视频很好，推荐。

不錯 好用

If Firefox is installed through Snap on a Linux machine then this won't work. The companion app gets installed in the OS but Firefox is install in Snap, a sandbox - not part of the OS where the companion app is installed. You have to install Firefox the old fashion way, through a ppa or manually through the terminal.

I love this extension! Its very easy.....I recommend