It works for free on many sites but not on youtube, you have to pay. It is a good thing that there are sites and portable software specifically for downloading videos from youtube.

Una extensión genial, muy útil, permite descargar videos de muy diversos sitios, bastantes, aunque aún hay muchos que no permiten la descarga utilizando esta extensión.

This application is a very good way to download many videos. Unfortunately not working with some videos and the devs required some payment. It's useful overall.

Lets me download videos and easy to use.

buona applicazione, si possono scaricare video da molte piattaforme, purtroppo in vari casi ho dovuto usare anche altri tools.

Fonctionne parfaitement dans l'ensemble sauf que sur certain sites la résolution affichée pour le téléchargement (1080p) n'est pas toujours respectée dans la vidéo finale, d’où une étoile en moins.

I think this is a very good tool I downloaded lot of videos from different webpage. Not every videos what I wanted but nothing perfect. Its ok.