The main purpose of a Terabox Video Downloader is to convert a Terabox video link into a downloadable file. Users simply copy the video URL from Terabox and paste it into the downloader. The tool processes the link and provides a download option. Many Terabox Video Downloader tools support different video qualities. Users can often choose between standard quality, HD quality, and sometimes even Full HD quality depending on the original video file. This flexibility helps users balance video quality and storage space.