example - Howto's | vitrubio.net

example

reduce

using gs

gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/prepress -dNOPAUSE -dQUIET -dBATCH -sOutputFile=<DESTINATION>.pdf <ORIGINAL>.pdf
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=<DESTINATION>.pdf <ORIGINAL>.pdf
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=<DESTINATION>.pdf <ORIGINAL>.pdf
  • prepress Higher quality output (300 dpi) but bigger size
  • ebook Medium quality output (150 dpi) with moderate output file size
  • web Lower quality output (72 dpi) but smallest possible output file size