The Sysinfo PDF Manager Tool offers a wide range of features for efficient PDF file management. It allows users to perform various tasks including combining, dividing, safeguarding, unlocking, and converting PDF files into different formats such as DOC, HTML, PNG, XLS, EML, EPUB, and more. 

Users can easily secure their PDF files by implementing password protection. Additionally, the merge function enables the merging of multiple PDF files into a single file. This tool also provides a free version that is compatible with all versions of the Windows operating system. To obtain this tool, please click on the above-attached link.