The PDF Merge Tool. makes it easy and safe to merge several PDF files. Whether you’re working on a project, preparing a report or simply organizing your documents you might find yourself needing to merge multiple PDF files into one single document. Merging PDFs can save time, reduce clutter and make document management easier. Whether you’re working on a project, preparing a report or simply organizing your documents you might find yourself needing to merge multiple PDF files into one single document. Merging PDFs can save time, reduce clutter and make document management easier. This allows you to consolidate related information into one file, making it easier to share manage, and store. It supports all Windows versions including XP, Vista and 10. This guide will walk you through the concept of merging PDFs the reasons why you might need to do so, and how to merge PDF files effectively using different methods.