Functions: Split pdf-files, Merge pdf-files together, Compose new PDF-Files while using individual sorting, customized patterns (similar to Word printing), etc. You can even append encrypted PDF files to another PDF document Faster than Java based PDF Split & Merge Tools Can be used on USB-Sticks as PortableApp PDF Split & Merge Tool Support for English and German is included.
The freeware version of 7-PDF Split & Merge has 2 limitations: only 5 pdf-files can be merged; only the first 50 pages are taken into consideration during the splitting process. These limitations are removed in the Pro Edition of 7-PDF Split & Merge, which has a prize of 10 Euro. If you need a free portable app able to split or merge 147 pages, you can use PDFTK Builder: PDFTK Builder , which is available only in english, however.