DL Tube is a free online application, which lets you download any YouTube video to common formats like mp4, WebM, and 3gp etc. Currently, it supports YouTube 1080p, YouTube 720p, YouTube 480p, YouTube 360p, YouTube 240p and YouTube 144p videos. This fast, free and easiest downloader allows you to save and watch your favorite YouTube videos offline on your PC, TV, Mobile or nearly any other device. You can download not only single video with the help of DLTube, you can also download YouTube Page, Playlist, and Channel etc.
Note : It is the first YouTube downloader that supports YouTube page downloading