Supported Java Versions GroupDocs.Watermark for Java supports Java versions that listed below. For more platform support please check GroupDocs.Watermark for .NET.
J2SE 7.0 (1.7) J2SE 8.0 (1.8) or above (for example Java 10)...Annotation 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...Annotation Product Solution GroupDocs...
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...Annotation Product Solution GroupDocs...