clipgrab (Downloading video tool) ClipGrab is a GPLv3-licensed Open Source project and of course also available for Linux. ClipGrab is a free downloader and converter for YouTube, Vimeo, Metacafe, Dailymotion and many other online video sites, see more in: http://clipgrab.org/faqs/supported-sites It converts downloaded videos to MPEG4, MP3 or other formats in just one easy step.