Convert HTML file to Image file in C# and .NET


Complete code

using System;
using System.IO;
using SautinSoft.PdfVision;

namespace Sample
{
    class Program
    {
        static void Main(string[] args)
        {
            ConvertHtmlFileToPngFile();
        }
        public static void ConvertHtmlFileToPngFile()
        {
            string inpFile = Path.GetFullPath(@"..\..\..\Sample.html");
            string outFile = new FileInfo("Result.png").FullName;
			// Before starting, we recommend to get a free 100-day key:
            // https://sautinsoft.com/start-for-free/
            
            // Apply the key here:
			// SautinSoft.PdfVision.SetLicense("...");

            PdfVision v = new PdfVision();
            
            ScreenshotOptions options = new ScreenshotOptions()
            {
                Type = ScreenshotType.Png,
                ViewPortOptions = new ViewPortOptions()
                {
                    Width = 800,
                    Height = 600
                },
                // Get only visible part
                /// Depends of <see cref="ViewPortOptions"/>.
                FullPage = false,
				//Set a custom directory where will be placed portable Chromium browser. 
                //Default value depends of platform (win-x64, win-86, linux-x64 or osx-x64). 
                ChromiumBaseDirectory = Path.GetFullPath(@"..\..\..\..\..\..\Chromium\")
            };

            try
            {
                v.GetScreenshot(inpFile, outFile, options);
                // Open the result for demonstration purposes.
                System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error: {ex.Message}");
                Console.ReadLine();
            }
        }
    }
}

Download

Imports System
Imports System.IO
Imports SautinSoft.PdfVision

Namespace Sample
	Friend Class Program
		Shared Sub Main(ByVal args() As String)
			ConvertHtmlFileToPngFile()
		End Sub
		Public Shared Sub ConvertHtmlFileToPngFile()
			Dim inpFile As String = Path.GetFullPath("..\..\..\Sample.html")
			Dim outFile As String = (New FileInfo("Result.png")).FullName
			' Before starting, we recommend to get a free 100-day key:
            ' https://sautinsoft.com/start-for-free/
            
            ' Apply the key here:
			' SautinSoft.PdfVision.SetLicense("...");

			Dim v As New PdfVision()
			
			Dim options As New ScreenshotOptions() With {
				.Type = ScreenshotType.Png,
				.ViewPortOptions = New ViewPortOptions() With {
					.Width = 800,
					.Height = 600
				},
				.FullPage = False,
				.ChromiumBaseDirectory = Path.GetFullPath("..\..\..\..\..\..\Chromium\")
			}

			Try
				v.GetScreenshot(inpFile, outFile, options)
				' Open the result for demonstration purposes.
				System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
			Catch ex As Exception
				Console.WriteLine($"Error: {ex.Message}")
				Console.ReadLine()
			End Try
		End Sub
	End Class
End Namespace

Download

If you need a new code example or have a question: email us at support@sautinsoft.com or ask at Online Chat (right-bottom corner of this page) or use the Form below:


Questions and suggestions from you are always welcome!

We are developing .Net components since 2002. We know PDF, DOCX, RTF, HTML, XLSX and Images formats. If you need any assistance with creating, modifying or converting documents in various formats, we can help you. We will write any code example for you absolutely free.