lk/data/pdf_erasure.md

title, tags

title	tags
PDF Metadata Erasure	metadata ghost script gs .pdf

You cannot erase pdf metadata with exiftool (it only appends your changes). To delete pdf metadata, you'll need gs.

Make a text file called 'pdfmark.txt'.

[ /Title ()
/Author ()
/Subject ()
/Creator ()
/ModDate ()
/Producer ()
/Keywords ()
/CreationDate ()
/DOCINFO pdfmark

Then run:

gs -o output.pdf -sDEVICE=pdfwrite "$FILE".pdf pdfmark.txt