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....Assembly Product Solution GroupDocs...
The easiest way to remove metadata properties from a file is to use corresponding tags that allow you to locate the desired properties across all metadata packages....Assembly 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....Assembly Product Solution GroupDocs...
This article explains how to save edited document in HTML form to folder at local disk using GroupDocs.Editor for Java features....Assembly Product Solution GroupDocs...
The page describes document annotations of different types and how to add annotations to a document using GroupDocs.Annotation API....Assembly Product Solution GroupDocs...
Learn this article and check how to load and convert CAD documents with advanced options using GroupDocs.Conversion for Java API....Assembly Product Solution GroupDocs...
The page describes how to remove all or specific annotation replies when collaborate over document using GroupDocs.Annotation for .NET API....Assembly Product Solution GroupDocs...