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Old 03-24-2012, 02:14 PM   #2
slex
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Posts: 281
Karma: 1125790
Join Date: Nov 2008
Location: Bulgaria
Device: Kindle 4 NT, Onyx Boox M92
I don't know about Windows, but under Linux you can do this:

From the command line write:

pdfimages pdffilename.pdf f

You will get the pages from the pdf extracted into files with extension pbm or ppm

then write:

mogrify -format png -resize 50% *.pbm

This will resize the pbm files by 50% and convert them to png. Then you can assemble the png files into a pdf again. You can install gscan2pdf for this.
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