How to convert HTML to image using C#

The Syncfusion HTML to PDF converter is a .NET library for converting webpages, SVG, MHTML, and HTML to PDF using C#. It is reliable and accurate. The result preserves all graphics, images, texts, fonts, and the layout of the original HTML document or webpage.

Using this library, you can convert ​HTML to image in C# by using the advanced Syncfusion HTML to PDF Convertor.

Steps to convert HTML to image programmatically:

1. Create a new C# console application project.
2. Install the Syncfusion.HtmlToPdfConverter.WinForms NuGet package as reference to your .NET Framework application from NuGet.org.

3. Include the following namespaces in the Program.cs file.

C#

using Syncfusion.HtmlConverter;
using System.Drawing;

4. Use the following code snippet to convert HTML to image.

C#

//Initialize HTML to PDF Converter 
HtmlToPdfConverter htmlConverter = new HtmlToPdfConverter();
 
//Convert URL to Image
Image[] image = htmlConverter.ConvertToImage("http://www.google.com");
 
//Save the image
image[0].Save("Sample.jpg");
 
//This will open the image file so, the result will be seen in default image viewer
Process.Start("Sample.jpg");

You can download the work sample from HTMLToImageSample.zip.

By executing the program, you will get the image output as follows.

Take a moment to peruse the documentation, where you can find converting HTML pages to PDF document along with respective customization options and features.

Refer here to explore the rich set of Syncfusion Essential PDF features.

An online sample link for Converting HTML to PDF.