Compress PDF to 2MB or less

garage_greg

I have PDF files, tonnes (~1000) of them for a government report, varying from 600kb to 500MB. Problem is that the portal only allows upload of files up to 2MB. I have Windows (which I find fairly useless), Linux (where I managed to compress a 150MB file to 10MB using techniques described below), and Mac at my disposal. In Linux, I used GhostScript and ImageMagick ps2pdf ps2pdf LARGE.pdf SMALL.pdf Also, pdftops and converting back, as suggested...

Originally asked by Jesse P Francis on Stack Exchange (superuser) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

From the example you provided, I can see it was compressed with 3-heights PDF optimization shell; It works similar to method 1 that you posted where you specify command line arguments against the source PDF with additional comrpession options. I am unable to tell which options were set for this compression, however there is a guide on the site detailing which options you can use to compress the contained images/text etc. Using the same program as your example should help you get a closer compression to what you want to achieve as they have done. https://www.pdf-tools.com/pdf20/en/products/pdf-optimization/pdf-optimizer/#c8353 Note: It is only feasible to compress to the point that the...

Full answer by RhysPickett: https://superuser.stackexchange.com/a/1423347 (CC BY-SA 4.0).

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