GroupDocs.Metadata for .NET API is easy to integrate with C#, ASP.NET and other .NET based applications to help your end-users manipulate metadata from a range of images, documents and other media file formats without installing any external software. The .NET metadata library supports building tools to quickly add metadata viewer, editor, remover, extractor, comparison and exporter functionalities within a number of industry standard document formats such as PDF, Microsoft Office Word, Excel spreadsheets, PowerPoint presentations, Outlook emails, Project, Visio diagrams, OneNote, images, AutoCAD, Photoshop, audio, video and metafiles.