Download the free and open source PDFsam Basic - PDFsam
https://pdfsam.org/download-pdfsam-basic/
WEBThe open source software to split, merge and rotate PDF files. Split, merge, rotate, mix and extract pages from PDF files with PDFsam Basic, free and open source, at home or at work. Your PDF documents stay private on your computer, no need to upload them to a third party service.
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