Any Video Downloader can extract and download only audio stream from YouTube, without downloading the entire video file. Any Video Downloader can convert and optimize downloaded videos to any format for any device, so you can watch them on your PC, iPhone, iPad, Android phone, and other devices. Any Video Downloader also allows you to extract audio stream from video file and save it as MP3, WAV, WMA, AC3, AAC, ringtone, or other format. Any Video Downloader provides ready-made presets for popular video and audio formats. You can also custom output video/audio format settings. Optionally, Any Video Downloader adds downloaded videos/music to your iTunes library automatically, so you can easily synchronize your videos and music to your iPhone, iPad, iPod. Any Video Downloader supports drag-and-drop. You can directly drag and drop a video link from your web browser to the drop box. You don't even need to copy and paste video link manually.