Doesn't work on Android

Das Addon zeigt nur manchmal das aktuelle Video zum Download an. Oft wird ein vorhergehenden, schon downgeloadetes Video angezeigt. Zuverlässig ist das Addon nicht

Some times it works, but most of the time it does not.
I'll be watching a YouTube video I like, and I'll click on the greendownload arrow in my menu bar.
It will show me a list of videos It can download.
Sometimes the previous video I watched is listed. Sometimes the video I'm watching will show up.
There will often, but not always, be a green ovoid. In that Ovoid, it will say Download 0MB.
Whenever it says 0MB, that means it will act like it's downloading something, but when I open the folder, there's either nothing there, or a file with a size of 0.
I've already paid the $15 bucks or so for the professional version.
What a rip!

Sometimes, about 20% of the time, I do see something I can download, so I'll give it some stars.
But I need to find something that is reliable.
And I see no way to convert to mp3, which is why I wanted this.

It keeps on crashing.

Works about 15% of the time, even when it says there are videos available to download

it works ... but for only 4 vids per day ...

Works maybe 1 out of 100 times. Kind of a waste of time.

Great addon, just tried it with YouTube and works great!
Edit: when you rate it here, it stops to work and asks you to buy a "pro" version, disapointed.

After sometimes it stops downloading.

Firefox devenu impraticable faute de modules

This seems to work best on websites that aren't super popular, but those for those it works really well. Sometimes you get weird duplicate listings that are only a few KB apiece, but I think that may have more to do with how the sites loads than with any shortcoming in the plugin.

Unfortunately, about half the time when you click "Download" next to a video, nothing happens. You don't get a prompt for a location to save, nor any indication that the plugin is actually doing anything. When it works it's great, but lately that's been the case roughly half the time.

Works for the video of the site I'm interested in
Doesn't work for youtube

But more important Malwarbytes detects a potential unwanted Program (PUB) called PUB.Optional.StartPage24 !!!!!
What does it for?

This is an overall "mediocre" video downloading program.
The biggest issues that I have with this add-on were deal-breakers for me.

1. Unable to download: far too often I would attempt to download a video, only for the downloader to tell me "This video cannot be downloaded". The kicker, is that I tried it out and had it happen numerous times on videos that were royalty free and videos that I'd had no problem downloading with other video downloaders in the past. Unacceptable, absolutely unacceptable to have a video downloader that won't download the videos I want. Frankly, ONE instance of this happening is too many.

2. Duplicate downloads: I've come across several instances where I would try to download multiple videos (not at the same time, one after another mind you) and after the initial video is downloaded without any problems, I go to download the next video and the next, etc. The UI indicates everything is working as it should and I'm downloading the videos, except that it isn't. I go to check the file directory where I downloaded the videos to, and they have the names assigned to them, everything seems to be in order, up until I click on and play the videos. The downloads are all duplicates of the first video!

3. Not recognizing that there's a video to download: This one is hilarious, especially given what the add-on authors advertise this add-on as being. Sure enough, time and time again the add-on will fail to activate because it can't tell that there's a video available to download.

ridiculous, absolutely ridiculous.

Two stars, because when it actually works, its great; too often it doesn't work as advertised.