How would you use it to permanently (not just hide) headers and footers?
https://github.com/rrthomas/pdfjam
What about adding "redaction annotations" in each page, and then have those sections entirely removed from the PDF?
https://pspdfkit.com/guides/processo...tion/overview/
Yet another possibility: What about a script in PyMuPDF that would read each page, create a new one that's cropped, and save that into a new PDF?
https://pypdf2.readthedocs.io/en/3.0...nsforming.html