Works and it is free.

I love this add-on! Simple to use

Easy to use, no annoyances what so ever.

It is great to be able to choose separate audio or video streams in the formats provided. This ups the usability factor for audio buffs!

Keep up the good work!! You're helping lots of people.

Very useful add on! I recommend it!

This addon is very good — it works much better than any downloader!

I'm enjoying this easy downloasder for a couple of years now and i'm very satisfied ! Thank you soooo much!!!
LOVE, Peter

updated for beta testing, a new version
vers.0.6.0 --- it works well and hope it has a long future... appimage application bundle currently
...as a user it is currently a stand alone app to the desktop (Linux) 64 bit
testing for the future.
it works - deserves support.

When well integrated into the Firefox browser it is the best I have ever used...
No other down-loader of videos on YouTube come close to the quality or flexibility of this add-on application - I am using Linux in a 64bit environment. this works.

the best there is

This plugin has helped tremendously with my creative effort. Thank you.

I have found this add-on to be the easiest way to download videos for offline viewing. Cannot recommend it more highly - it is far and away the best!

Works

This addon has survived all the changes web browsers have done year after year and still is doing a great job downloading vids.

I'm still using this great add-on & always will top notch stuff, it just keeps getting better!

Back to old fast speed! Highly recommended!