March 02, 2015- The simple way to download every video from Youtube is called Get Tube, a small application that allows you to do the job in just one click.
Get Tube is compatible with Safari and Firefox. While you surf Youtube, you will see a new button in the browser, click it and you will be able to download the featured video in seconds.
You can download the video as mp4 oronly audio track and save as mp3.
Get Tube too features a download manager so you can add videos to the download list and download them whenever you want.