PDFSaM: Free Split, Merge, Rotate, and Order PDF documents

PDFSam is a free opensource tool that lets you combine(mix), merge, and split PDF files quickly. There are literally hundreds of software and services that let you do this, but the ease-of-use and the new awesome features make it stand out from the rest. You can not only merge a split PDF file, but also combine multiple different types of PDF files easily.
 It should cover most of your needs.






With it’s simple and intuitive interface you can:
  • split your pdf documents (into chapters, single pages, etc.).
  • merge many pdf documents or subsections of them.
  • extract sections of your document into a single pdf document.
  • mix alternate pages taken from two pdf documents in straight or reverse order into a single document.
  • rotate pages of the selected pdf documents.
  • visually reorder pages of a selected pdf document.
  • visually compose a document dragging pages from selected pdf documents.
  • save and load your environment to automatize your recurrent jobs.
  • manage pdfsam settings and set an environment to load at start up.
Basic version is free and you can download and simply use it on every platform with a Java support.

pdfsam enhanced version is also available “almost” free just donate $1 atleast, you can download the source code, compile and use it or, if you think it’s worth it, you can make a donation. In this version you’ll find all the basic features plus:
  • encrypt your pdf files (RC40 bits, RC128 bits, AES128 bits) and set permissions on them.
  • add a pdf document as front page or addendum (or both) to your pdf documents.
  • mix alternate pages taken from two pdf documents in straight or reverse order into a single document.
  • extract attached files from a pdf document.
  • decrypt your pdf files.
  • set viewer options to tell the viewer application how should open the document.
  • set the metadata of a document (author, title, subject and keywords).

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