Apptech wrote: >> 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. >>> > > > Using Irfanview I get 108 kB for a JPG 85 saved files and > 1.87 MB using TIF. > Sounds like something is very wrong. > > Taking the 1.7 MB Toreka.jpg image I mentioned recently and > saving as TIF at 3000x2000 I get 18 MB. > Scale to 800x600 and save and its 2.9 MB. > > All in IrfanView. > Suggests summat aglae in what you are doing. > > > > Russell > Russell, Stuff I do "oft gang aglae":) I tried again using a 116kB jpeg and got a 1167kB tiff which seems to be correct. In fact, I converted 100 files using IrfanView's batch processing. Resize and renamed 100+ files at once. IrfanView rules!!! Thanks, Carey -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist