19 April 2015

How to remove pdf security:

ENCRYPTED_FILE=encrypted_file.pdf
gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile="$ENCRYPTED_FILE"_unencrypted.pdf -c .setpdfwrite -f "$ENCRYPTED_FILE"

I use this when I need to make annotations on protected pdf files.

Reference



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