GroupDocs.Conversion Product Family
GroupDocs.Conversion for .NET
Native .NET API to accurately convert documents & image file formats in any types of .NET application. Supports adding image watermarks while conversion.
These are links to some useful resources:
GroupDocs.Conversion for Java
Enable your Java applications to easily convert between all industry-standard document formats including Microsoft Office, PDF, HTML, images and many others.
These are links to some useful resources: