Install and launch this YouTube Downloader for Macĭownload and install this YouTube Downloader on your computer, once completed the installation, run this Mac YouTube Video Downloader to its main interface. How to Use YouTube Downloader for Mac to Download Videos: Provide a Private Mode to download secret videos from online sites with a password protected. Support to download the entire YouTube Playlist, Channels, Category, etc. Transfer well-converted or downloaded YouTube videos to your mobile devices to enjoy on the go.Convert downloaded or recorded videos to other video/audio formats, even to preset formats for devices.Record any online video from any online video sites when the direct download of videos is not available.Download videos from YouTube and other 10,000+ video sharing sites on Mac with Safari/Chrome extension or URL.