Bigasoft YouTube Downloader makes it easy to download YouTube videos to save to computer. It fully supports downloading YouTube videos in SD, HD (high-definition 720p, 1080p, 2k or 4k video) and various 3D video. The professional YouTube Downloader lets you download multiple YouTube videos in batch with fast speed. It provides two video quality downloading options. You can choose to download the best quality available of the YouTube videos or to download the normal quality of the YouTube videos.