F2Down is a free online Facebook video downloader that helps users save public Facebook videos and Reels in MP4 format. It supports HD, Full HD, 2K, and 4K quality when available. You can use F2Down directly in your browser on Android, iPhone, or PC without installing an app or creating an account. It also offers a Facebook to MP3 converter for extracting audio from supported videos. F2Down is simple and convenient for saving videos for offline viewing. Always respect copyright rules and download content only when you have permission.