UnityPDF is described as 'Lets you merge, split, divide, rotate, protect PDF files and more. All features are easy to use and do not require complex skills' and is an app. There are more than 50 alternatives to UnityPDF for a variety of platforms, including Windows, Web-based, Mac, Linux and BSD apps. The best UnityPDF alternative is PDFsam, which is both free and Open Source. Other great apps like UnityPDF are PDFTK Builder, PDFill, PDF Chain and PDF Candy.
The PDF merger tool is a free online application to combine two or more PDF files into one document. The PDF merge solution is totally a browser based program that can be used in MAC, Windows and Linux all operating systems.
PDF Mixer is a PDF page tool which mixes pages of 2 or more PDF files, add PDF pages into existing PDF files and save them to a new file. With this powerful tool, you can reorder, copy, rotate, delete, switch and merge pages in multiple PDFs easily.
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