We’ll also explore how to save entire 4K YouTube video playlists.ĤK Video Downloader is packed with powerful features to make saving video and audio content from popular websites easy and convenient. Read on to learn how 4K Video Downloader gives your Mac control over saving online videos. The app also works with downloading video and audio from other popular sites like, TikTok, Facebook, and Twitch. 4K Video Downloader can download single videos, playlists, or entire channels in full UHD resolution. 4K Video Downloader is a handy Mac utility that gives you the ability to download YouTube videos with the click of a button.