Functions: Split pdf-files, Merge pdf-files together, Compose new PDF-Files while using...
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. More Info »
PDFTK Builder  and PDFsam  are the only free portable apps able to split or merge more than 140 pages.
If you need a free portable app able to split or merge 147 pages, you can use PDFTK Builder , which is available only in english, however. PDFsam is also portable and availaible in many languages (german also). 7-PDF Split & Merge  (german + english) can split only max. 50 pages and merge max. 5 files for free. If you want to to split or merge more than 50 pages you must pay 10 EUR for "7-PDF Split & Merge PRO".
 PDFTK Builder
 7-PDF Split & Merge