Sponsor of the Day:
Jerkmate
https://www.sheshbabu.com/posts/remove-pdf-passwords-using-qpdf-and-applescript/
Remove PDF password protection using qpdf and AppleScript
remove pdfpassword protectionusingqpdfapplescript
https://ropensci.r-universe.dev/qpdf
qpdf: Split, Combine and Compress PDF Files
compress pdf filesqpdfsplitcombine
https://cran.r-project.org/web/packages/qpdf/index.html
CRAN: Package qpdf
Content-preserving transformations transformations of PDF files such as split, combine, and compress. This package interfaces directly to the 'qpdf' C++...
cran packageqpdf