From Jerry Software:
YouTube Downloader Pro is a powerful but easy-to-use Windows app for downloading and converting videos from YouTube, Facebook, Dailymotion, and hundreds of other video sites.
YouTube Downloader Pro downloads videos with our exclusive multithreading accelerator that can boost your download speeds by up to 500% faster.
YouTube Downloader Pro can download UHD 8K, 5K, 4K, QHD 2K, FHD 1080p, HD 720p, and 3D videos from YouTube if they are available.
YouTube Downloader Pro allows you to download only audio stream from YouTube, without downloading the entire video file. It also allows you to extract audio stream from video and save it as MP3, WAV, WMA, AC3, AAC, OGG, FLAC, or any other format.
YouTube Downloader Pro supports playlist download. It automatically downloads all videos in the specified playlist for you.
YouTube Downloader Pro allows you to download multiple videos at a time. It also allows you to pause, resume, and cancel downloads at anytime.
YouTube Downloader Pro can automatically convert online videos to MP4, FLV, WMV, MOV, AVI, MKV, MPG, or any other format for any device, so you can watch them on your iPhone, iPad, Android phone, Android tablet, Windows phone, Xbox, PS4, Samsung Galaxy, etc.
Optionally, YouTube Downloader Pro can automatically add downloaded videos/music to your iTunes library, so you can easily synchronize your videos/music to your iPhone, iPad, iPod.
YouTube Downloader Pro integrates with Internet Explorer and Firefox, so you can download any video with just one click. You can 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.