The free Adobe Acrobat Reader is a PDF viewer and does not allow to modify PDF files. Rotating a PDF and save changes would require to save a modified version of the PDF file, this is a premium feature available in Acrobat DC.
PDFsam Basic is the most popular offline PDF merger. No need to upload or share your PDF documents, keep them safe on your computer, away from prying eyes and easily merge them with PDFsam Basic. Completely free and open source, without time limits, without watermarks, simply free.
Since the release of PDFsam Basic 4 we had some support requests regarding the application being unusable and starting with a white screen on Windows.
After some investigation we found some tickets on the openjdk bug tracker here, here and few others, we tested the proposed workaround and it seems to have fixed the issue for those users experiencing the white screen.
They are Windows launchers for PDFsam Basic, our free and open source application to split and merge PDF files.
PDFsam Basic is written in Java and requires a Java Runtime Environment to run (pretty much like a C# application requires .NET framework installed, a Python application requires a Python interpreter etc etc). Read more…