Download Youtube Videos in hd quality

(1) Clipconverter.co.cc
This is a new website and
download YouTube videos in
HD. It is very fast to convert a
video from YouTube. It is also
avideo converter, you can
convert videos by uploading
too. After downloading you can
watch videos on your favorite
device.
(2) Keephd.com
It is a good tool and famous one
for YouTube videos in HD.You
can download HD videos and
other video formats as well3gp
and flv. It supports some other
sites as well.
Example goto the site then you can see a box then copy the link below and paste into the box

http://www.youtube.com/watch?v=Adr7Vvi_jDI

(3) Keep-Tube.com
This is a HD YouTube video
downloader, you can also use
greasemonkey and Firefox add-
on. It also supports other video
sharing sites.
(4) Savevid.com
It is an interactive website, on
this website you can see live
videos that other users
aredownloading via this
website.
(5) Youtubesnips.com
You can download YT videos
inthree different formats are as
3gp (fro mobile), flv (lower
quality) and MP4 (HD). You can
use this tool to download
videos directly or you can use
their bookmarklet and URL
interface is by default.