All about FLV Player. FLV Player is a free standalone application to play Flash FLV files with. This utility can come in handy when viewing many FLV files, as it doesn't require the Flash IDE. The installer comes with optional FLV association, so double clicking an FLV file opens and plays the file in the player. Version 2.0.23 adds 'loop' button and improves support for RTMP streams. Sound cool? Download FLV Player.