Can and has worked OK. Also I use the UDL Windows client.
Usually downloading YouTube 720dpi or less.
However often get failing errors:
Browser Helper addon: Shows "Reset" unless download is 360dpi or less.
UDL Client: Currently getting: "During downloading error detected". This is from entering in the YouTube URL, erroring before getting the download options. This is currently a hard fault,
Natively, the URL Video in my browser will run but to 59 seconds only (YouTube shutdown the steam).

a

It does not allow for MP3-download, only some movies, videos.

没有中文看不懂差评

g

WORKS PERFECT FOR ME so far

After I deleted it it spammed me with unidownloader.com sites. It opened like 50 of them, I lost my opened windows so yeah they should reset irl or smth get a life

Не работает

Does what it says on the tin - exactly what I and probably you needed.

It doesn't seem to work on the format of MP3, so I give it 1 star because it redirects me to another page. So why did I stop to download the extension when I just had to open a tab?

work

This "is" the only YouTube down-loader that works presently. However there a couple of issues that I've run into that need to be fixed: (1) it doesn't work for downloading music videos in MP4, and (2) the orange download button disappears occasionally and you have to refresh the page to get it to appear...