PDF Sam - Free PDF Editor Windows. PDF Sam is very simple and easy to use the software. It is an open-source application This software is an advanced version of PDF Eraser because apart from the rotate page feature you can also merge the PDFs and can Free editor for PDF documents. Complete editing of PDF documents is possible with PDFedit. You can change raw pdf objects (for advanced users) or use many gui functions. The free cross-platform PDF editing software. Its name refers to the two main functions of the software, with the acronym SAM standing for Split And Merge. The PDF (Portable Document Format) file format has become an international standard that guarantees the