Have you ever been sent or downloaded a huge PDF? Like me you thought, "This must have a ton of pages, diagrams and secrets of the universe!", but unfortunately it was not true. Some chimp had scanned the original at 150 dpi and saved the PDF at 1200 dpi. Now you have 32 Mb of stupid taking up space on your hard drive. It takes forever to open, scroll and search. Fix it! You heard me , take control. Here is how:
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.5 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf
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