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How to convert HTML to PDF in C# and VB.NET

Platform: WinForms |
Control: PDF |
Published Date: August 14, 2018 |
Last Revised Date: May 3, 2019

The Syncfusion HTML to PDF converter is a .NET library for converting web pages, 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.

Convert HTML to PDF in C# and VB.NET

In this tutorial, we will illustrate C# HTML to PDF conversion by using the advanced WebKit rendering engine in a simple console application. In addition, our HTML to PDF converter will work seamlessly in various platforms like Azure cloud or web apps, Azure functions, Amazon Web Service (AWS), Docker, WinForms, WPF, ASP.NET MVC, ASP.NET Core with Windows, Linux, and MacOS.

Steps to convert HTML to PDF programmatically:

  1. Create a new C# console application project. Create HTML to PDF C# application
  2. Install the Syncfusion.HtmlToPdfConverter.QtWebKit.WinForms NuGet package as reference to your .NET Framework application from NuGet.org. HTML to PDF C# NuGet
  3. Include the following namespaces in the Program.cs file.

C#

using Syncfusion.Pdf;
using Syncfusion.HtmlConverter;

 

VB.NET

Imports Syncfusion.Pdf
Imports Syncfusion.HtmlConverter

 

  1. Use the following code snippet to convert HTML (Website URL) to PDF.

C#

//Initialize HTML to PDF converter 
HtmlToPdfConverter htmlConverter = new HtmlToPdfConverter(HtmlRenderingEngine.WebKit);
WebKitConverterSettings settings = new WebKitConverterSettings();
//Set WebKit path
settings.WebKitPath = @"/QtBinaries/";
//Assign WebKit settings to HTML converter
htmlConverter.ConverterSettings = settings;
//Convert HTML to PDF
PdfDocument document = htmlConverter.Convert("http://www.google.com/");
//Save the PDF document 
document.Save("HTMLToPDF.pdf");
//Close the document
document.Close(true);
//This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("HTMLToPDF.pdf");

 

VB.NET

'Initialize HTML to PDF converter 
Dim htmlConverter As New HtmlToPdfConverter(HtmlRenderingEngine.WebKit)
Dim settings As New WebKitConverterSettings()
'Set WebKit path
settings.WebKitPath = "/QtBinaries/"
'Assign WebKit settings to HTML converter
htmlConverter.ConverterSettings = settings
'Convert HTML to PDF
Dim document As PdfDocument = htmlConverter.Convert("http://www.google.com/")
'Save the PDF document 
document.Save("HTMLToPDF.pdf")
'Close the document
document.Close(True)
'This will open the PDF file so, the result will be seen in default PDF viewer
Process.Start("HTMLToPDF.pdf")

 

You can download the work sample from HTMLToPDFSample.Zip

By executing the program, you will get the PDF document as follows. Screenshot of output PDF file

Take a moment to peruse the documentation, where you will find other options like HTML string to PDF, partial webpage to PDF, HTML to single PDF page, and HTML to PDF conversion using IE Rendering with code examples.

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

To test the accuracy of HTML to PDF conversion in .NET using C#, try our online demo.

Note:

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.

 

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