GroupDocs.Watermark API allows you to search the possible watermarks placed in any document. You can also search the watermarks that are added using some third-party tool. The found possible watermarks can be removed or their properties can be changed. For more details please refer to the following guides:
Searching watermarks Modifing found watermark properties Removing found watermarks...Assembly Product Solution GroupDocs...
This section decsribes how to add digital signature to pdf, docx, pptx, xlsx and many more with GroupDocs.Signature for .NET library...Assembly Product Solution GroupDocs...
Working with XMP metadata GroupDocs.Metadata for Java also allows managing XMP metadata in MP3 files. For more details please refer to the following guide: Working with XMP metadata...Assembly Product Solution GroupDocs...
The SaveOptions class provides the following properties to customize the saving process:
AnnotationTypes defines annotation types to be saved into output document; FirstPage defines the first page number to save specific page range; LastPage defines the last page number to save specific page range; OnlyAnnotatedPages indicates whether to save only annotated pages or not. For details, see the following pages:...Assembly Product Solution GroupDocs...
GroupDocs.Metadata provides different ways to save a file with updated metadata.
Please refer to the following guides to know more about all overloads of the Save method:...Assembly Product Solution GroupDocs...
Learn about GroupDocs.Conversion advanced usage and its multiple powerful features like document conversion process customization, track conversion progress, load documents from different sources etc....Assembly Product Solution GroupDocs...
This section describes how to use GroupDocs.Viewer for Node.js to convert different document types to PDF, HTML, PNG, and JPEG formats....Assembly Product Solution GroupDocs...