According to http://sourceforge.net/projects/netpbm/, netpbm will run on both Windows and Linux, and the 16-bit support is already in netpbm (as is support for the bmp format).
Bill > > Is anyone maintaining bmp2tbmp? > > I E-mailed the creator asking about 16-bit support around two months ago and > haven't received any response. > > -- > -aardvarko