This option changes the resolution of the output file in ghostscript.
-dPDFSETTINGS=/screen
So, for example
gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -dPDFSETTINGS=/printer -sOutputFile=output.pdf file1.pdf file2.pdf
Options are:
- screen (72 dpi)
- ebook (150 dpi
- printer (300 dpi)
