// Supports converting documents between PDF, Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagram file formats.
// Supported file formats: https://docs.groupdocs.com/conversion/java/supported-document-formats/

Converter converter = new Converter("input.pdf");

ConvertOptions convertOptions = new FileType().fromExtension("docx").getConvertOptions();

converter.convert("output.docx", convertOptions);

try (Viewer viewer = new Viewer("output.docx"))
{
        HtmlViewOptions viewOptions = HtmlViewOptions.forEmbeddedResources("output{0}.html");

        viewer.view(viewOptions);
}