Wondershare PDF Merger is an efficient PDF tool to help you merge multiple PDF files into one for better organizing, archiving and batch printing. It allows you to choose any part of pages from the selected PDF files and merge flexibly to create a new PDF file. Also you can set the properties and security for the merged PDF file. Wondershare PDF Splitter is an easy-to-use PDF splitting tool to help you quickly extract special pages or page ranges from large PDF files by splitting. With its help, you can split multi-page PDF files flexibly by every n page(s), bookmarks, page ranges or split one PDF file averagely to several PDF files with equal page numbers. Also it saves your time to split PDF file to multiple PDF files by specific page ranges at one time.