tldr/pages/common/qpdf.md

qpdf

Versatile PDF transformation software.

• Extract a few pages from a pdf into another one:

qpdf --empty --pages {{input.pdf}} 1,6-8,12 -- {{output.pdf}}

• Extract pages from multiple pdf files into one:

qpdf --empty --pages {{file 1.pdf}} 1,6-8 --pages {{file 2.pdf}} 3,4,5 -- {{output.pdf}}

• Write each group of n pages to a separate output file:

qpdf --split-pages=n {{input.pdf}} {{page %d.pdf}}

• Rotate and transform the PDF:

qpdf --rotate=+90:2,4,6 --rotate=180:7-8 {{input.pdf}} {{output.pdf}}

• Remove the password from a password protected file:

qpdf --password={{password}} --decrypt {{input.pdf}} {{output.pdf}}