Maybe this one ?
http://www.chess.com/download/view/convert-chessboard-image-to-fen-and-pgn
or
http://www.chess.com/download/view/diagtransfer-301
Does it make an interactive diagram in facebook?
Could this work for facebook ?
http://www.apronus.com/chess/wbeditor.php
I like to post chess problems in fb. I have no idea how to make the chess diagram. What application should I use? Thanks in advance :)