Resize A4 PDF to SRA4 and center content

Question

I\'d like to be able to resize an A4 PDF to the slightly bigger SRA4 format, used by printing professionals. The content shouldn\'t be resized, but only centered. In other w

Answer 1

I found a solution here, by using -c "<> setpagedevice", like so:

gs -dPDFSETTINGS=/default -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite 
-sOutputFile=out.pdf -dDEVICEWIDTHPOINTS=637 -dDEVICEHEIGHTPOINTS=907 
-dFIXEDMEDIA -c "<</PageOffset [21 32]>> setpagedevice" -f in.pdf

Content is perfectly centered in the SRA4 document.