HD Downloader is a powerful but easy-to-use Windows app for downloading and converting 1080p/720p HD videos from YouTube and hundreds of other video sites. It increases your download speeds by up to 500%.
 
Optimized for downloading HD videos   Increase download speeds by up to 500%
  HD Downloader is optimized for downloading HD videos from YouTube, Facebook, Dailymotion, and hundreds of other video sites.     HD Downloader downloads videos with our exclusive multithreading accelerator that can boost download speeds by up to 500% faster.
         
Download multiple videos at a time   Pause and resume downloads
  HD Downloader supports simultaneous downloads that allows you to download more than one video at the same time.     You can pause downloads tonight, and resume downloading tomorrow morning.
         
Download entire playlist from YouTube   Support drag-and-drop
  Just enter a YouTube playlist URL/ID, HD Downloader will automatically download all or part of videos in the playlist.     You can directly drag and drop a video link/URL from your browser to the Drop Box to start a download.
         
More Features...   Try it for Free!