A mio avviso è un componente aggiuntivo eccellente

I can download videos even from sites that require logins to download the video in the conventional sense. Excellent Addon.

LE PLUS UTILES DE TOUS JE NE POURRAIS M'EN PASSER

The person who made this application is a genius!!
It can be used for various things.
I'll recommend you by all means.
このアプリを作った人は天才です。
いろいろなことにつかえます。
是非おすすめします。

Very easy to use. Regularly updated to reflect changes to Firefox and other web services. Highly reliable and flexible.

good

It is very very recommended to everyone to install this addons toll. Very user frendly and useful to download any Videos at any side required.

很好用，非常感谢制作了这个插件！

Muy buena la recomiendo, permite descargar videos desde casi cualquier pagina

Easy to use and works on all the sites I need!

super sache best off

これが簡単で使いやすいと、教えられたのがきっかけでした。
ホントに、クリックするだけ。
本当に、ほぼ毎日、なにかあったらクリックしてます。

好用，值得下載

Excellent!!!

Can't say enough about this add on, really is the best of it's type that I have encountered after using something similar for the last 15 years. Please consider donating to the developer.

This is execellent app add-on to MFF.

awesome

que ferions nous sans cette extension ? Elle fonctionne à la perfection.

DownloadHelper von Firefox ist richtig klasse und einfach zu bedienen. Habe nie ein Problem bei der Benutzung gehabt. Besser geht es nicht.