[OS X TeX] Compressing pdf graphics

Victor Ivrii vivrii at gmail.com
Wed May 23 08:20:43 EDT 2007

On 5/23/07, Guido Mocken <mocken at mpi-hd.mpg.de> wrote:
> Am 22.05.2007 um 22:40 schrieb Maarten Sneep:
> > pdftk [1] will compress pdf files for you, either the individual
> > graphics, or the final (pdflatex) output.
> This is definitely the way to go, because it is *lossless*
> compression. To be more precise:
> pdftk input.pdf output output.pdf compress
> I can compress my pdflatex-generated PHD thesis (which contains a lot
> of pictures) from 70 MB to just 7 MB this way without any loss of
> quality.
> Of course, I can achieve the same ratio using gzip or bzip2, but then
> the file can no longer be opened directly in a PDF reader.
> Guido

Note that one way to reduce size is using Acrobat and to require
compatibility only with higher versions. However then it may become
incompatible with the earlier versions of Acrobat; pretex compression
can make it incompatible with TeX (the latest pdftex 1.40 accepts pdf
<= 1.5 which corresponds to  Acrobat 6)

Victor Ivrii, Professor, Department of Mathematics, University of Toronto

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