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Message: <blockquote data-quote="mroberon1972" data-source="post: 1441708" data-attributes="member: 5148">Well, thanks to the people in this forum, I have worked out how to reduce the size of a PDF from 13 megs to 2.7 megs using all free software.First some background:  Some publishing programs, such as old versions of MS Publisher, do not deal with background images well.  They tend to place a new image every time it shows up in the PDF.  This leads to pages with background images having huge filesizes.Also, PDF printer drivers like PDF create and PDF995 don't optimise the output at all.  They just put in the PDF what the software sends out.This leads to unusable file sizes in your final PDF.Get the follow files:Get the files gs814w32 (Ghostscript) and gsv46w32 (Ghostscript viewer) for your operating system.  I advise using google to find them, since the Ghostscript page is slow as slow can be.Get either PDF995 or one of the other PDF creators that are free.Now, here is what to do:Create your book using your best quality image files, add your backgrounds, and generally make the final PRINT version of your book.Output the monster to PDF995 and wait forever for it to make your file.Load the PDF into Ghostscript viewer and go to file -> convert.Under device: pdfwriteResolution: Don't bother.If you just click 'OK' now, it will make an optimised PDF for you with the images being unchanged.  If you have backgrounds, you will notice a sudden reduction in file size without graphic quality going down.If you would like to lower the file size even more, try this:Click on properties:in the convert screen.Find DownsampleColorImages, DownsampleGrayImages, and DownsampleMonoImages.Set them to true.Find ColorImageResolution, GrayImageResolution, and MonoImageResolution.Set them to the resolution you like.  You will have to experiment with this till you get and acceptable file size / graphic quality ratio.You can use this to create a pdf version from your print quality version with little to no trouble.  Of course, customers would also probably like a special version for printing as well...That's it for today class...Dismissed.Mr. Oberon"You see, it's all about sharing..."</blockquote>

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