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:...Classification Product Solution Purchase...
Processing email attachments, embedded files, and compressed files with GroupDocs.Viewer for Node.js via Java...Classification Product Solution Purchase...
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...Classification Product Solution Purchase...
This section explains how to load document from various sources like file, streams, remote web resources, loading document from FTP, Amazon or Azure storage etc....Classification Product Solution Purchase...
This section explains how to search for electronic signatures across document and its pages with advanced options....Classification Product Solution Purchase...