These are the Top YouTube Downloaders for this Year In 2021, the following YouTube video graber tools will be dominant. Youtube Video Downloader Let's begin with the most basic and most widely used tool. Youtube Video Downloader is the best website to download YouTube videos as MP4 files. The tool allows you to download entire YouTube playlists at once, in addition to individual videos. You can also download videos from Facebook and Instagram. y2mate y2mate another YouTube to MP4 convert...