How to download the video from youtube now?

How to download the video from youtube now?

 

Download the firefox extension downloadhelper.

 

or go to this website --- www.keepvid.com

 

I know this website :keepvid.com Rcently I suddenly found that it can't download the video of youtube .It will display error or blank page when you click the download
I want to konw this reason .Who can tell me ?

 

download tube*hunter in the download section and DL from any tube site u want!

 

OKey , you can try this five great free onine flv converter:

1.http://www.vixy.net
2.http://www/convertdirect.com
3.http://www.keepvid.com
4.http://www.zamzar.com
5.http://media-convert.com

 

http://www.techcrunch.com/get-youtube-movie/

 

http://www.google.ca/search?q=youtube+video+downloader&btnG=Search&hl=en&sa=2