GroupDocs.Metadata for .NET helps your end-users manipulate metadata from a range of images, documents and other media file formats without installing any external software. You can quickly add metadata viewer, editor, remover, extractor, comparison and exporter functionality within a number of industry standard document formats such as PDF, Microsoft Word, Excel spreadsheets, PowerPoint presentations, Outlook emails, Project, Visio diagrams, OneNote, images, AutoCAD, Photoshop, audio, video and metafiles.