This is the only addon I found that works perfectly on Android. I wish the design of the download popup was better integrated with YouTube's UI, but besides that, it works like a charm.

https://habr.com/ru/company/globalsign/blog/460987/

Хорошо выполняет свою функцию!!!

Perfect! All I need! Youtube, Instagram and Facebook download!

mantap

Oke

Very Good

✌

Зашибись

good

very good, functionality, work in nix, windows

Пора добавить другие ресурсы, особенно для мобильного приложения!

很好的插件，下载方便。

All videos downloaded are corrupted. Keeps telling you to download an "official" extension into your own program files/applications folder. Basically malware.