PDF Merge Tool is a simple, fast and easy tool for merging PDF files. Here is the link to the PDF Merge Tool.
Also : Checkout PDFill PDF Tools, free desktop utility program which lets you to split any pdf file into smaller pdf files or lets you to combine PDF files into a single document with more flexibility and control.
Great, thanks for sharing.
But the PDF Merger I’m using is very good. It can even convert scanned images to PDF files.
You can create output file with user-defined settings.
http://www.anypdftools.com/pdf-merger.html#163
So I recommand it!