This is not a free extension anymore, it's paid and it costs 20 Euros. They should specify this on their store page.

Made a mozilla account just to leave a rating here. Extension working ok for several years, but now it throws up a QR code and watermark on downloads that blocks a solid quarter of the screen. Look elsewhere.

was flawed by good, now it's money hungry garbage. made an account just to leave this review out of anger. Don't waste your time with this.

It was great until they decided to make the free version completely useless by slapping a HUGE non transparent watermark on the downloaded video.

I do not recommend it.
I used this extension for many years and it worked quite well. Unfortunately, the extension has been recently updated.
Now, the free version is totally useless. It puts a huge, non-transparent watermark on the downloaded video.
The paid version, at least for me, is not worth the price.

It doesn't work, when I select the video it doesn't do anything.

install error

Super AddOn

I remember it working quite well, now it has a qr code covering approximately 1/6th of the video. It looks like it now requires a $30 fee to remove the QR code, which probably not worth it for my usage cases.

No longer free. Now adds a QR-code in a corner if you don't pay for the addon.

super app
during the entire time of use there was no problem
I recommend

asks to download and install other app on laptop. Don't work without money. waste of time.