Originally Posted by Wombat 
Converting file size is a pretty basic function for most photo software. Virtually anything you have will do it, from Photoshop at one extreme to freebies such as Irfan View or Faststone at the other. From memory, Pentax Photo Laboratory 3, the software that came with your camera will do conversions for you.
Wombat,
I'm sure your right about the camera software but I have always been reluctant to install the boxed software that comes with camers it usually not the most stable. I guess I should ask or post a question and see if the software is a quality product.
Thanks,
Kevin