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Topic: same source file, resulting in very different pdf file sizes
Conf: (P-PDF) Beginners, Msg: 155982
From: fse
Date: 11/12/2006 10:03 PM

hope this is the right place to ask a mac question. guess the issue will
affect all plattforms and the "ideal settings" might be the same
eventually. just the path of getting there and available software tools
might be different on mac and windows plattform.

using a mac intel (os x 10.4.8), i had to produce a number of pdfs for
screen view and office printing use recently.
i started from apps such as freehand, indesign, xpress and ms word, and
did further processing in acrobat 7 and 8. also tried some programmes
that promise to reduce file size (such as pdf enhancer, pdf shrink,
pdfcompress). i applied them to the "original" pds generated in freehand,
indesign, xpress and ms word, as well as to pdfs handled in acrobat.

over all i noticed strange effects: just a very few changes in the "source
file" would result in pdfs almost twice or more the size of the first pdf.
when i deleted (!) a few items in freehand graphics (as "stand alone"
files, or later imported into an indesign document), the exported pdfs
would not become smaller, but grow (!) in size.

using the "reduce file size" command in acrobat, did not really reduce file
size by a lot. maybe 1 or 2 percent. worse with the "compressor
programs": in some instances the "saving" would be as much as "-64
percent" (ie, the resulting files being 820 instead of 500 kb in size)

i would appreciate to read about your strategies and settings for
producing pdfs that are both high quality and small file size. also your
experience with particular mac* programs and recommendations
regarding their use / ideal settings.

*if everything fails on the mac side, and (only) if there were consensus
that in general mac pdfs were bigger than windows pdfs (which i doubt), i
could probably emulate windows os with parallels desktop software and
do some pdf-processing and tweaking in windows.

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