Donload Link is here
Aiseesoft_Mac_Video_Downloader_126.96.36.199507__TNT Mac (even 4K videos) from popular video sharing websites on Mac and convert downloaded video files to any widely-used video format.
Download Online Videos on Mac
This comprehensive video downloader for Mac is professional software to let you download online videos from major streaming video sites such as YouTube, Vimeo, Facebook, Metacafe, Dailymotion, Vevo, TED and Yahoo to Mac and let you enjoy watching your favorite videos in high image quality at any time.
Compatibility: OS X 10.9 or later, 64-bit