PDF processing and analysis with open-source tools - HN

PDFtk

• Remove the last page of a pdf file pdftk infile.pdf cat 1-r2 output outfile.pdf

• Join in1.pdf and in2.pdf into a new PDF, out1.pdf pdftk in1.pdf in2.pdf cat output out1.pdf

Xournal

• How to add a signature to a PDF