Free Combine PDF 4dots is a software that allows users to easily combine PDF documents. It supports command line usage and merging PDF documents can be done with a right-click. Additionally, entire folders can be added for merging.

The application is easy to use, allowing users to copy and paste PDF documents on the documents list to arrange their order in the merged PDF document. Sorting PDF documents by filename, filepath, size, date and correct number string sorting is also possible.
Free Combine PDF 4dots is useful for inclusion in scripts and batch files and supports command line usages. Additionally, the software can watch folders for PDF files and merge them into a single PDF document as soon as a new document is created.
The Windows Explorer integration feature allows users to merge PDF files with a single right click in Windows Explorer. With multilingual support, Free Combine PDF 4dots is available in 39 different languages.
To merge PDF files, simply add the PDF documents and then press the "Combine PDF" button and wait for the application to do its job. If you have ever wondered how to combine PDF documents, Free Combine PDF 4dots is definitely worth checking out.
Version 2.2:
Added result form
Share button
Fixed minor gui bugs.