Free PDF Splitter Merger is a free and advanced application to join PDF or to split PDF documents and for extracting or deleting page from them. The application is simple to be used but it is also possible to set various complicated criteria. The documents or folders containing documents to be processed can easily be selected and added with a simple drag and drop on the application screen. Page ranges, can be set and there is an option to process even or odd pages or pages containing a specific text in them and also only to process only every n th page. The documents can be split , along with the previous options, based on their bookmarks (the bookmark level can also be specified). Documents can be split after a number of continuous blank pages. Pdf documents can be merged with images of 30 different image formats. Document properties such as title, author, subject and keywords can be set. The documents can be encrypted with an owner and user password and also permissions can be set. A custom document header and footer can be set and positioned, or a custom header or footer image can be specified. Free PDF Splitter Merger can also be executed from the command line.