KeepVid Pro is a fast and easy Video downloader. This video downloader can also allow you to download video from over 10,000 video sharing sites like YouTube. Download online soundcloud soundssongstracks, download free music in seconds with this simple website. Soundcloud Downloader Firefox Add On' title='Soundcloud Downloader Firefox Add On' />OFFICIAL Keep. Cryptography Ebook. Vid Helper Free Video Download Helper Plugin for Browsers.