This is the command mkThumbs that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
mkThumbs - script to create thumbnails from an ogg video file
mkThumbs file.ogv <number of thumbs> <additional options>
mkThumbs creates a series of thumbnails over a video file with regards to the video
mkThumb myvideo.ogv 10
creates 10 thumbnails across the video file.
mkThumb myvideo.ogv 10 -s0x200 -opng
creates 10 thumbnails across the video file with a height of 200 pixel and in PNG format.
Use mkThumbs online using onworks.net services