

If you familiar with the editing of PDF documents the graphical user interface (GUI Graphical User Interface) allow you to change the objects in it.

The program allow you to save the document when you made changes in the document. This is an open source program and it will take much less space. Here i am listing some of the free program that are alternate to the Adobe acrobat writer. There are lot of other program that can be used for editing the PDF files. you can secure the document using the password protection. This file format, created by Adobe Systems, is used for representing documents in a manner independent of application software, hardware, and operating systems, Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it. Portable Document Format ( PDF) is an open standard for document exchange.
