PDF Merger Mac is a free Mac OS X application that let you merge several PDF documents into one single PDF file. The merged PDF file will keep the original formatting, page size and page orientation. PDF Merger Mac also allows you to adjust the PDF sequence by the UP and DOWN buttons, which means you can simply add your PDF documents and reorder the sequence later even if those files are in different folders.
PDF Merger Mac can merge 1,000+ PDF Files in few seconds, and it will keep original page size, orientation and formatting. Also, the application allows users to adjust the PDF merging order, so they can get the correct page order sequence. It is a 100% free software product.