pdfunlock

pdfunlock removes security features from pdfs, to allow unrestricted printing and copying of context.

Installation

Ghostscript and Poppler must be in your PATH environment variable.

Windows:
https://www.ghostscript.com/download
http://blog.alivate.com.au/poppler-windows

Linux:

sudo apt install ghostscript
sudo apt install poppler-utils

Mac:

brew install ghostscript
brew install poppler

Then

git clone http://git.wrl.unsw.edu.au:3000/danh/pdfunlock.git
pip install -e pdfunlock

Usage

Search for pdfs inside 'pdf_folder', then create new unlocked versions of the pdfs with the the suffix '-unlocked.pdf':

pdfunlock pdf_folder

Search for pdfs inside 'pdf_folder', then unlock the pdfs and overwrite the original versions.

pdfunlock pdf_folder -o

Search recursively for pdfs inside 'pdf_folder' and all subfolders, then unlock the pdfs and overwrite the original versions.

pdfunlock pdf_folder -o -r