Could not find how to do it with qpdf
or pdftk
or even a gui tool.
Edit:
Solution pdftk A=oldpdf.pdf cat A output newpdf.pdf
This removes all metadata and also the attachments.
Could not find how to do it with qpdf
or pdftk
or even a gui tool.
Edit:
Solution pdftk A=oldpdf.pdf cat A output newpdf.pdf
This removes all metadata and also the attachments.
Yes but in my case the pdf file is big and I libreoffice draw hangs. Also i found another solution (added that to post).