Now get relieved of all hassles of downloading YouTube video. Now no need to copy url and paste on another site to get your favorite video downloaded.
Just download a Firefox addon and your work is done.
You can get this addon here – https://addons.mozilla.org/en-US/firefox/addon/10137
Just click on “Add to Firefox” and restart your browser.
Now beside each video you open in YouTube, you will get three options for downloading that video – 3gp or mp4 or HD.
Click on any of the three options and current video gets downloaded instantly without affecting the playing video.