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Apr 18, 2023 · I have a pdf file (18MB) generated by Texify->dvi-pdf, including many .eps figs. I tried to use pdfsizeopt you recommended to reduce its volume to be less than 3MB. With the commandline: c:\ pdfsizeopt\pdfsizeopt --use-multivalent=false --do-unify-fonts=false c:\pdfs\manuscript.pdf. It turns out that it only reduces the input-pdf by 1% or so.
It may be just as easy to compress the files yourself, using suitable graphics software. It's usually just a question of opening the file, selecting save as choosing the jpeg format and adjusting the quality. I don't know much about .png files. You could convert them into .jpg files.
An enabled \pdfobjcompresslevel (value 1 or 2) compresses further data structures, but requires PDF-1.5. If you have smaller values, then the values can be set by: \pdfcompresslevel=9 \pdfminorversion=5 \pdfobjcompresslevel=2 It can be set at the very begin of the TeX file and should be done before the first object is written to the PDF file ...
Sep 11, 2014 · This produces a PDF of 48.5 kB, which would be okay if my submissions for the assignments were this small. I expect the generated PDF to be a lot smaller since the .tex file is 295b. I use Tex Live 2013 on Ubuntu 14.04 and the cm-super package is in the newest version. Please help me.
Nov 26, 2020 · I am creating a file pdf full of figures and tables to send to my professor, who ask for a maximum file size of 500 KB. I use OverLeaf and as a complier I used pdfLaTeX. PdfLaTex generated me a file (about 60 pages) with a size of 1.5MB. With pdfsizeopt I've reached 647 KB. XeLaTeX generates me the same file, but with a size of 1 MB.
As such, if you want smaller output files you'll either need to pre-process the images or post-process the PDF file. It's important to note that as clipping is purely an effect on the appearance of the PDF, you should not use it to 'hide' anything you don't want people to see. Anyone interested enough will be able to find it inside the PDF.
@Colas That's a message from multivalent tool.pdf.Compress and you should ignore it. It produces a "compact PDF" file, that is not a true PDF and can't be read by anything other than multivalent tools (unfortunately, since it generally is significantly smaller, due to using bzip2 compression and other sensible but not-standard-conforming ...
Jul 6, 2016 · After generating the pdf, you can use ghostscript to compress the images. Ex: gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.5 -dNOPAUSE -dQUIET -dBATCH -dEmbedAllFonts=true -dSubsetFonts=true -dDetectDuplicateImages -dPDFSETTINGS=/prepress -sOutputFile=${DOC}-compress.pdf ${DOC}.pdf After that I use exiftool to maintain tags. Ex:
These images are .png files. Judging by the file size of the resulting pdf, these images are included in their entirety, even when they are resized and clipped (trimmed). An image of 4MB will increase the size of the resulting pdf by about 4MB, regardless of the fact that I only show half of the image and the image is greatly downscaled. I'm using:
You also can convert it to .pdf with Ghostscript and its Windows interface GsView. You'll still have a vector format, and as .pdf is more or less a compressed .ps format, you'll get a rather considerable size reduction — in the case of your file and 600dpi resolution, it is only 660 Kb.
