With this freeware, you can download videos in HD 1080p, HD 720p, 4K, and 8K resolution and enjoy these high definition videos on your HD TV, iPhone, iPad, Samsung Galaxy, and other devices.
With 4K Video Downloader you will be able to facilitate the management of all the videos that you want to watch offline or from other devices.
Which one is the best eventually comes down to your own needs and criteria.