Adobe Acrobat is a very popular software to combine files. The PDF merge software tools help create, share and update new files. It is very easy to use and supports the storage of files on the cloud, keeping all your files safe and intact. PDFelement can be used by both Windows and Mac. The PDF merge software combines multiple PDF files as one, it also serves as a powerful PDF editor and converter. It saves time and possesses lots of customization options for users. Smallpdf is another PDF file merger tool that combines two or more files into one. It is fast and very reliable. It also compresses files and minimizes the space they take. PDF Converter is one of the best PDF merge software tools for combining PDF files in Google Drive. It edits, extracts, and customizes PDF files, and is also used to split and merge PDF files. PDF Expert combines, splits, edits, and customizes PDF files. The PDF merge software tool converts image files to PDF as well as formats like Word Document, Excel, etc. It is convenient to use. PDF Merger u0026 Splitter is one of the best PDF merge software tools for combining PDF files in Windows. It is an amazing software that extracts and combines PDF files. You are allowed to rearrange the files, edit and even preview before saving. It is free and also has an online version.