GroupDocs.Total Free Apps for Windows is a lightweight yet powerful suite of free applications to process and automate your offline documents from 170+ file formats (e.g. MS Office, OpenOffice, PDF, Web, eBook, Image, 3D, etc.). Its modules take the files available offline on your Windows-based machine to convert, render, view, merge, parse, compare, eSign, search, redact, split, watermark, assemble, annotate, classify, edit them locally, without uploading anything to the cloud. You can also fetch metadata of your desired files of the supported file formats.