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    Solved TIFF Compression - Saved Files Huge

    Searched and it seems like a few folks also have this or a similar problem but no solutions found.

    I have TIFF images. They are large black/white documents scanned with an HP DesignJet.

    Some files need to be edited, usually a crop or color inversion. Whenever I save the file in IrfanView, it seems the compression is wiped out and/or ignored. Resulting files are huge. 754KB to 16.73 MB.

    To test, I resaved an unedited file and have the same issue.

    Data for original vs saved files below.

    Original
    Click image for larger version

Name:	original.png
Views:	1
Size:	27.3 KB
ID:	85104
    Saved
    Click image for larger version

Name:	saved.png
Views:	1
Size:	18.9 KB
ID:	85105
    Last edited by msu_cppm; 29.03.2018, 07:01 PM. Reason: labeling images
    IrfanView Version 4.42 - 64 bit
    Windows 7 Enterprise, Service Pack 1 - 64 bit

    #2
    Have you had a look at the save options?
    Attached Files
    Last edited by jazzman; 29.03.2018, 05:36 PM.

    currently running 4.56 / 32 bit

    Comment


      #3
      Enable the Compression options dialogue and select the desired compression option.

      Click image for larger version

Name:	Compression Options.png
Views:	1
Size:	7.8 KB
ID:	83078
      Before you post ... Edit your profile • IrfanView 4.62 • Windows 10 Home 19045.2486

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        #4
        Yes, the saved file is after selecting the proper compression in the save-as dialog.

        No matter the compression option selected, it saves without any compression applied.
        IrfanView Version 4.42 - 64 bit
        Windows 7 Enterprise, Service Pack 1 - 64 bit

        Comment


          #5
          No such issue here.

          INDIA.tif
          Before you post ... Edit your profile • IrfanView 4.62 • Windows 10 Home 19045.2486

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            #6
            Originally posted by Bhikkhu Pesala View Post
            No such issue here.

            [ATTACH]5193[/ATTACH]
            I noticed you're using a newer version.

            I updated to v4.51 and the issue is resolved.

            Thank you.
            IrfanView Version 4.42 - 64 bit
            Windows 7 Enterprise, Service Pack 1 - 64 bit

            Comment


              #7
              Please update your forum profile.
              Before you post ... Edit your profile • IrfanView 4.62 • Windows 10 Home 19045.2486

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