How to remove security from a PDF

I recently sat through an eLearning course which involved reading through a 1300-page PDF file. Instead of deforesting the Glasgow area to provide the requisite amount of paper for printing, I thought I’d read and annotate it on-screen (something I wouldn’t recommend unless it’s to save the environment) Annoyingly, annotation is prevented on PDFs with security applied, so I had to find a way around it. Firstly note that if… Read More »How to remove security from a PDF