pdftk: pdftk 3.3.3 (PDF Tools)
pdftk: 
pdftk: pdftk (PDF toolkit) is a command-line tool to split, merge, rotate, 
pdftk: watermark, stamp and secure PDF pages and documents.
pdftk: 
pdftk: This a re-package of the official binary from the java port of 
pdftk: the original pdftk.
pdftk: 
pdftk: https://gitlab.com/pdftk-java/pdftk
pdftk: https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/
pdftk: 

