NAPS2 is primarily a scanner app, but it can also import existing PDF files, following which you can re-arrange and manipulate pages: https://github.com/cyanfis

NAPS2 is primarily a scanner app, but it can also import existing PDF files, following which you can re-arrange and manipulate pages: https://github.com/cyanfish/naps2 https://github.com/cyanfish/naps2