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Apr 18, 2023 · A common approach is to let Ghostscript (gs) optimize and compress the PDF after it has been created with pdflatex. Ghostscript is installed by most Linux distributions and is easily available for other platforms (Windows as binaries, MacOS via MacPorts). In fact, almost all size-optimizing tools for PDF (save for Acrobat) you can find on the internet, internally use Ghostscript -- so you can as well call it directly. There is a plethora of options available; I personally use the following ...
As described in my answer to the other question about shrinking pdf files you can use pdfsizeopt to do lossless compression of your pdf. If it turns out to be necessary to do lossy compression, then adobe acrobat professional has a "PDF optimzer" tool that can do this.
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 · My instructor demands a maximum size of submitted assignment of 50kb in PDF-format. Whenever I try to build from PDFLatex the files exceed this limit. I expected the problem to be related to bitmap
Nov 26, 2020 · Have you tried "Open a PDF in Acrobat DC. Choose File > Reduce File Size or Compress PDF" ? There are also lots of free web sites which reduces PDF files sizes if you do not have adobe PDF installed. Just google "optimize pdf size" and such.
Some other fonts contain a coding for different size, making the document a bit larger. You may observe a non negligible difference. I am interested in this 3rd point: have some of you investigated the best fonts for smaller PDF files? Edit Compress.SmallPDF sounds like a good online solution to efficiently compress pdf files for free.
Despite my comment to the original question, I have now come to the conclusion that the latex-dvips-ps2pdf route produces smaller PDF files than pdflatex alone. However, in my answer to How to make the PDFS produced by pdflatex smaller I suggested to use gs to compress the resulting PDF, which gets you a significant reduction in size.
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.
Sep 25, 2015 · LaTeX does not change the size of included pdf files or image files. If you want to have a smaller resulting pdf reduce the size of included certificates. How to do that depends on the images ... Reduce the dpi size to that size you use for your latex pdf file.
Jul 6, 2016 · For bitmap images (such as png) the files are copied as-is (and there is no way to change them in any way) and wrapped in a PDF object. Compression is done on-top as for other objects in a PDF file with the usual losless file compression of PDF. This is true for pdftex and xetex and probably still true for luatex.
