KeepTube
Do you have any video downloader software? As we know, there are a lot of video downloader such as KeepVid, ClipNabber, Javimoya, SaveTube,kCoolOnline etc. All those software was free and great, But now there is a more powerfull video downloader launched named KeepTube. Actually KeepTube is not a software, it is a Firefox extension.
KeepTube is a firefox extension that allow you to download a lot of videos directly from all videos site such as youtube, google video, dailymotion, megavideo, metacafe, veoh, break, spike, current, facebook, myspace, 18+ adult websites, video preview etc. You can access all of those site and download the videos directly and fast, Without ads and popups, without file renaming. It’s feature place KeepTube is one of the best videos downloader add on for your mozilla firefox browser.
To install this firefox extension, please follow these steps below :
1. Open this link with mozilla firefox browser
2. Click add to firefox button
add to firefox
3. Click install now button
Install Now
4. Click restart firefox button
Restart Firefox
after install it, you will have a download button in firefox toolbar and in firefox’s status bar. Besides, you will have separate download links for any youtube video on internet, even when it is embedded in the webpages or other websites. Now its time to go to any supported videos website and enjoy this free but powerfull extension 
Happy download
