How to Convert HTML to JPG in Java. Get more information here: https://kb.conholdate.com/total/java/how-to-convert-html-to-jpg-in-java/

how-to-convert-html-to-jpg-in-java.java

import com.aspose.html.HTMLDocument;
import com.aspose.html.License;
import com.aspose.html.converters.Converter;
import com.aspose.html.drawing.Resolution;
import com.aspose.html.drawing.UnitType;
import com.aspose.html.rendering.image.ImageFormat;
import com.aspose.html.saving.ImageSaveOptions;

public class ConvertHtmlToJpgInJava {
    public static void main2(String[] args) throws Exception {//main function to convert HTML to JPG

        // Instantiate the license to avoid water mark in the converted JPG
        License licenseHtmlToJpg = new License(); 
        licenseHtmlToJpg.setLicense("Aspose.html.lic");

        // Load an existing HTML file to convert to JPG
        HTMLDocument documentHtmlToJpg = new HTMLDocument("sample.html");
        try {
            // Create ImageSaveOptions class object and initialize it with the JPG format
            ImageSaveOptions jpgImageOptions = new ImageSaveOptions(ImageFormat.Jpeg);

            Resolution resolution = new Resolution(200, UnitType.DPCM);
            jpgImageOptions.setHorizontalResolution(resolution);
            jpgImageOptions.setVerticalResolution(resolution);

            // Export HTML to JPG using the Converter.convertHTML() function
            Converter.convertHTML(documentHtmlToJpg, jpgImageOptions, "outputHtmlImage.jpg");
        } 
        finally {
            if (documentHtmlToJpg != null) {
                documentHtmlToJpg.dispose();
            }
        }
        System.out.println("Done");
    }
}