FreePDFSplitterMerger is fully integrated into the Windows shell (Windows Explorer).
It is possible to select Pdf Documents or images in the Windows File Browser (Windows Explorer) and then right click on them and select "Merge Pdf with FreePDFSplitterMerger" or "Split / Extract / Delete Pages with FreePDFSplitterMerger" from the context menu.
FreePDFSplitterMerger will then be run and the selected pdf documents will be added to it automatically.