YouTube Video Downloader Pro can download 8K, 4K Ultra HD, 2K Quad HD, 1080p Full HD, 720p HD, and 3D videos from YouTube if they are available.YouTube Video Downloader Pro allows you to download only audio stream from YouTube, without downloading the entire video file. YouTube Video Downloader Pro supports playlist download. Just enter a YouTube playlist ID, the program will download all or selected videos in the playlist from YouTube for you. YouTube Video Downloader Pro allows you to download multiple videos at a time. It also allows you to pause, resume, and cancel downloads at anytime. YouTube Video Downloader Pro can automatically convert and optimize downloaded videos to any format for any device, so you can play them smoothly on your iPhone, iPad, Android phone, Android tablet, Xbox, PSP, PS4, or other device. YouTube Video Downloader Pro allows you to extract audio stream from video, and save it as MP3 or any other audio format. Optionally, YouTube Video Downloader Pro can automatically add downloaded videos/music to your iTunes library, so you can easily synchronize your videos and music to your iPhone, iPad, etc. YouTube Video Downloader Pro integrates with Internet Explorer and Firefox, so you can download and convert any video with just one click. You may also directly drag and drop video link from your browser to the Drop Box to start download, you don't even need to copy and paste video URL manually.