- Download and install Ghostscript and ImageMagick + Convert Module
- Execute the following command in the console (change the filename)
$ convert -density 200 INPUT.pdf -rotate 0.3 +noise Multiplicative -format pdf -quality 85 -compress JPEG -colorspace gray OUTPUT.pdf
- -density: set the input DPI to 200
- -rotate: set Page rotation to 0.3 degrees