a quite handy tool to edit your PDF files, cut and rotate them. And it is free!
PDFsam is a useful program to merge, split, cut, rotate and extract PDF files. It is open-source software that you can use for work, studies or even your personal needs.
Key Features
Splits documents PDF into chapters, into pages, etc.
Merges several documents in sections
Extracts sections from your document PDF in a single PDF document
Protects and loads your favorite environment to automate repetitive tasks
Other Systems
The PDFsam Basic is also available for Linux and Mac computers.