Support downloading both public and private videos.You just need to copy and paste your Facebook video URL and click on the “Download” button. į is an online Facebook video downloader that can help you download any favorite FB videos(MP4 format) without any additional 3rd Party plugin or software. With tools in this part, you don't need to download or install a separate Facebook video downloader software or app on your device. The following list is the top 3 free online Facebook video downloader. Best Free Facebook Video Downloader Online Best Facebook Video Downloader Extension Part 1. Mobile Facebook Video Downloader Apps Part 4. Free Facebook Video Downloader for Desktop Part 3. Best Free Facebook Video Downloader Online Part 2.