YouTube video downloader HD is a small freeware application for download video from YouTube website and converts to other video or audio format. It works pretty well and also very basis interface. 1. To download single YouTube video is a very simple. Just put YouTube link into text field and press extract button. Then software will check video format availabled. If your link is a HD video, button 1080 HD, 720 HD, 480 STD, 360 FLV and 240 FLV will be actived. Anyway the HD format (1920x1080, 1280x720) may not available for some video especially too old video. Finally just select format as you wish and make download. 2. This is a crazy feature that you'll never see from any YouTube downloader before. To multiple download YouTube video also simply. Just adding YouTube link to download queue. You can add many as you need and then press batch download to start downloading. Software will select only highest quality for download. For example, If video format availabled are 1280x720(HD), 854x480, 640x360 and 320x240. The format 1280x720(HD) will be automated download and other will be ignored. 3. To convert the FLV format to other video and audio format is really simple. Just selecting FLV file then select format to be converted to e.g. AVI, WMV, MPEG, MOV, WAV, MP3 and iPod file. Then make convesion and wait in a few minute. 4. FLV player embed. You can instant play FLV file with embed FLV player. Simple play file by browsing form folder or drag / drop to screen. 5. Finally, YouTube video download support high speed downloads. You can download with your maximum internet download speed normally 200-1000Kb/s.