The challenge is to seamlessly and efficiently merge multiple, separate PDF documents into one. The question arises of how to accomplish this task without having to install any additional software or even incur costs. It is equally important to maintain the original quality of the files and not have a limit on the number of PDFs to be combined. Another challenge is having control over the final order of the merged documents and being able to check them before their final creation. Furthermore, privacy should be maintained by automatically deleting the processed files after a short period of time.

The PDF24's Merge PDF tool solves this challenge by enabling users to intuitively combine multiple PDF files into a single document. With a drag-and-drop feature, the order of the files can be easily adjusted and the document can be reviewed before finalizing. No installation or registration is required, eliminating further costs or effort. The number of PDFs to be combined is unlimited and the quality of the original files remains intact. Moreover, the tool emphasizes the importance of privacy by automatically deleting the processed files after a short time and is available in all popular web browsers, making it easily accessible to any user.