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How to convert Word to PDF using C# and VB.NET

Platform: WinForms |
Control: PDF

Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can convert Word document to PDF in C# and VB.NET.

Steps to convert word document to PDF programmatically:

  1. Create a new C# console application project.

Create console application

  1. Install the Syncfusion.DocToPDFConverter.WinForms NuGet packages as reference to your .NET Framework application from NuGet.org.

NuGet package reference

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


using Syncfusion.Pdf;
using Syncfusion.DocIO;
using Syncfusion.DocIO.DLS;
using Syncfusion.DocToPDFConverter;



Imports Syncfusion.Pdf
Imports Syncfusion.DocIO
Imports Syncfusion.DocIO.DLS
Imports Syncfusion.DocToPDFConverter


  1. Use the following code snippet to convert Word document to PDF.


//Load an existing Word document
WordDocument wordDocument = new WordDocument("Sample.docx", FormatType.Docx);
//Create an instance of DocToPDFConverter
DocToPDFConverter converter = new DocToPDFConverter();
//Convert Word document into PDF document
PdfDocument pdfDocument = converter.ConvertToPDF(wordDocument);
//Save the PDF file
//Close the instance of document objects
//This will open the PDF file so, the result will be seen in default PDF viewer



'Load an existing Word document
Dim wordDocument As WordDocument = New WordDocument(("Sample.docx"), FormatType.Docx)
'Create an instance of DocToPDFConverter
Dim converter As DocToPDFConverter = New DocToPDFConverter
'Convert Word document into PDF document
Dim pdfDocument As PdfDocument = converter.ConvertToPDF(wordDocument)
'Save the PDF file
'Close the instance of document objects
'This will open the PDF file so, the result will be seen in default PDF viewer


A complete working sample can be downloaded from WordToPDFSample.zip

By executing the program, you will get the PDF document as follows.

Output document screenshot

Take a moment to peruse the documentation for working with document conversion, where you will find other options like Excel, RTF, TIFF, and XPS to PDF conversion.

An online sample link demonstrating the use of Word to PDF conversion.

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


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.


See Also:

Convert Word to PDF in UWP

Convert Word to PDF in ASP.NET Core

Convert Word to PDF in Xamarin

2X faster development

The ultimate WinForms UI toolkit to boost your development speed.
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Jordan Capa
Apr 23, 2019

Thanks for the very easy steps on how to conver word to pdf using c# and vb.net, it really helped me a lo! Just in case you want or need a software that is very fast and easy to use i recommend using ZetPDF.com. It will help you a lot!


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