As an excellent Flash video player, Sothink FLV Player is small sized and completely free for users to play flv video files. It supports to play all video files with an FLV extension (*.flv), including those encoded by different codecs, like Screen Video, Sorenson H. 263 and H.264, on2 vp6, etc. Besides the flv files on Windows PC, Sothink FLV Player can also play Flash videos on line once the URL is offered. Just double click a Flash video or drag and drop the flv files to the player's window, and then it instantly starts playing. The window for playing Flash video can be re-sized freely and it also supports full screen mode.