Since PDF files entered the IT world, a lot of things changed to benefit from them. Business reports, emails, invoices, ebooks and even personal documents became influenced by this new file format. Users started to convert files to PDF to benefit from features like smaller size, high portability and powerful security. Adolix Split and Merge PDF is freeware software that can be used to manage the resulting PDF files after creation. Using our product you can split PDF documents into multiple files following a customized pattern. The question how to merge PDF files now has an answer: using this free application you can combine PDF files into a single document.


  • Use our product to split PDF without any cost
  • Combine PDF files into a single document
  • Mix PDF files: one page from each PDF file or by custom page groups.
  • You can even append encrypted PDF files to another PDF
  • Split PDF files using a customized pattern (similar to Word printing)
  • Process password-protected PDF files
  • Possibility to protect all generated PDF files with password or watermark
  • Use command line arguments to embed our product into your explorer context menu. Check the support page for more details
  • Benefit from 24/7 support (even if Adolix Split and Merge PDF is freeware). Visit our support page to get answers.
  • Multi language support. Our Split and Merge PDF solution is available in English, German, French, Italian, Spanish, Portuguese, Danish, Norwegian, Romanian.

Download Free Version

You can download the free version of Adolix Split and Merge PDF (3.5 MB) by clicking on the link below.

After download, open the file AdolixSplitMergePDFSetup.exe and the installation wizard will appear. Follow the easy steps in order to complete the installation.

Upgrade to Professional Edition!

The Free version has a few limitations like: only 5 documents can be merged, only 50 pages are taken into consideration during the split process. To remove those limitations or use our software in business & commercial environments, please click the button below to upgrade to the professional edition of Adolix Split and Merge PDF.

Upgrade to Pro

Single user license: $19.95

How to Split and Merge PDF files with Adolix Split and Merge PDF software

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Split PDF panel

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Merge PDF panel

merge pdf files

Mix PDF panel

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Protect PDF documents

Questions? We have answers.

How do I split and merge PDF files?

To split and merge PDF files, install Adolix Split and Merge PDF, then open it, select the Split / Merge tab, add your files (or use drag & drop), customize the few settings you see, then click the `Merge files` or `Split this PDF` button.

Is PDF split and merge safe?

Yes, Adolix Split and Merge PDF is safe. Unlike online split and merge PDF services (which raise a huge privacy concern), Adolix Split and Merge PDF performs the split and merge operations locally, on your computer.

How do I merge PDF files in Windows for free?

To merge PDF files in Windows for free, install Adolix Split and Merge PDF, open it, select the Merge tab, add the PDF files, then click the `Merge files` button.