The SetProperties method is used to update or add metadata. You can easily add metadata to photos, pdfs or you can update or add data to mp3 files....Editor Product Solution GroupDocs...
This article will help, if you want to add watermark to images inside a document then it can be possible using GroupDocs.Watermark for Java....Editor Product Solution GroupDocs...
Learn how to exclude system pre-installed fonts from HTML markup to reduce rendered document size when rendering documents using GroupDocs.Viewer for .NET....Editor Product Solution GroupDocs...