On Fri, 2008-02-08 at 21:01 -0500, Carey Fisher wrote: > I'm using Irfanview (www.irfanview.com) to work with some photos. > Converting a jpeg of about 1MB, 800x600, to an uncompressed > tiff gives me over 11MB. Even a LZW compressed tiff is over 8MB. > Is this right? I know tiffs are large but this seems excessive. Assuming zero compression: 800x600*3 (assuming 24bit/pixel) = 1,440,000 bytes Something is wrong. Are you sure you have your resolution right? TTYL -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist