Re^2: Shrink Images and PDFs


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Re^2: Shrink Images and PDFs

by haukex (Bishop)

on May 02, 2020 at 11:52 UTC ( #11116353=note: print w/replies, xml )

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in reply to Re: Shrink Images and PDFs
in thread Shrink Images and PDFs

For your PDF files, what does gs do or not do which reduce the PDF file size? Is it mainly ebook option?

Yes, I've found the ebook option a convenient way to downsample the resolution of the images embedded in a PDF to 150 DPI. So this script will have a significant effect on PDF files that are large due to them containing high-resolution images (like scans), and less of an effect on PDFs that are already smaller than ~1MB.

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Re^3: Shrink Images and PDFs by parv (Vicar) on May 02, 2020 at 13:02 UTC
Ah, ok. Thanks for the explanation, mainly because I had not thought of embedded images. I was thinking that `ebook` option might be restructuring the PDF, using common fonts and removing embedded fonts, etc.	[reply] [d/l]
Re^4: Shrink Images and PDFs by haukex (Bishop) on May 02, 2020 at 14:47 UTC
I was thinking that `ebook` option might be restructuring the PDF, using common fonts and removing embedded fonts, etc. One of the settings of the `ebook` profile is `EmbedAllFonts=true`, so I might consider disabling that, but other than that I haven't noticed the `gs` command modifying anything about the PDFs other than the images.	[reply] [d/l] [select]

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