PDF editor: pdfcpu

[SCBuergel]

install:

wget -O pdfcpu.tar.xz https://github.com/pdfcpu/pdfcpu/releases/download/v0.9.1/pdfcpu_0.9.1_Linux_x86_64.tar.xz
tar -xvf pdfcpu.tar.xz
sudo chmod +x pdfcpu_0.9.1_Linux_x86_64/pdfcpu
sudo cp pdfcpu_0.9.1_Linux_x86_64/pdfcpu /usr/local/bin/

usage:

pdfcpu stamp add -pages 2 -mode text -- "Sebastian Buergel" "pos:bl, off:100 127, rot:0, fillc:#000000, points:12, scalefactor:1 abs" in.pdf out.pdf