This app is still in development and isn't released yet by the KDE community.

Karp main window with pages of PDF file
Appending password protected PDF file

Karp - gives simple UI for PDF files modification. With a few mouse strokes user can:

  • Append more PDF files and merge
  • Delete, rotate and reorder pages
  • Reduce PDF file size
  • Optimize images
  • View and modify PDF properties
  • Protect PDF with password