Free Document Manipulation Apps Suites for Windows Easy document conversion, parsing, and merging, comparing, and signing. Support for more than fifty file formats. Automate document creation offline from your own computer. It supports Microsoft Office, OpenOffice, and PDF document merging. It allows users to compare multiple documents for style and content changes. It supports all file formats and allows you to view, add, update, and clean metadata. You can hide sensitive information (text and metadata) easily from Word, Excel PowerPoint, PDF, and other document types. Advanced searching features allow you to perform index-based text searches in your documents. You can use page zooming, page layout settings, and page rotation, among other features.