# pdfunlock # **pdfunlock** removes security features from pdfs, to allow unrestricted printing and copying of context. ## Installation ## [Ghostscript](https://ghostscript.com) and [Poppler](https://poppler.freedesktop.org/) 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 ```