Groupdocs.comparison for .net

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GroupDocs.Comparison for .NET is a lightweight merge / diff library that allows developers to compare two versions of a PDF, Word (DOC/DOCX), Excel (XLS/XLSX), PowerPoint (PPT/PPTX), ODT, TXT or HTML document.

The library is specifically designed to be easy to integrate into any .NET (ASP.NET / C# / VB.NET) app and comes with a customizable diff view web UI.

Key features and benefits include:

- The library identifies differences both in content and font styles.
- Accept/reject changes when comparing Word files.
- Compare up to 3 Word files.
- Export merged Word files to a resulting file with the native 'Track Changes' feature enabled.
- Compare documents programmatically on the server side.
- Display differences through a web diff view UI.
- Load documents/send the result output from/to streams.
- Save a summary list of all changes in the result output file.

The UI that comes with the library is mobile-ready and works across all popular platforms. It allows end users to view, navig