ok

Je to falešně rozšíření, které po nejaké době vloží nebezpečný kód ze stránek autora.
Skoro všechny kladné recenze jsou vytvořeny generátorem uživatelských účtů. Nahlášeno !!!

Will not install in window 10

This is a hoax. Seldom works. Why is it even allowed here as an Add-on. Presumably just to collect information about your browsing activity.

excellent if it keeps working in the background.

Directs to a site so a bit slow with extra clicking but it works after FF 85.X update and has free 4K and m4a, webm. mp3 etc.

mantul

This add-on saved me lot of nerve cells, as it was the only one to work with youtube properly. Many thanks and good luck!

Breaks other add ons that actually worked previously

At that moment it seems to be the only Free 1080p downloader. It send you to another site (loader.to) but you can download even playlist in archive there.

Junk - doesn't download but opens some website instead.

Unlike most of the other so-called downloaders this actually works.

12/14/20 confirmed working

Takes you to a different page and keeps you there while it "converts" the video.

Very slow at "converting" the video.

it leads to the web page where anti-virus software warns its danger.