Convert DOCX file to PDF file in C# and .NET


In today's world of information exchange, saving documents in a universal and secure format-PDF-is often required. This ensures consistent content display regardless of platform and software. In this article, we'll detail how component PDF Metamorphosis .NET from SautinSoft SDK can be used to quickly and reliably convert Word documents (DOCX) to PDF in C# and .NET. We'll also explore the advantages of this approach and discuss practical aspects of its use.

Benefits:

  • Quick integration. You can easily embed this feature into your application or service, automating bulk conversions.
  • Guaranteed quality. Based on the library's engine, you receive a neatly formatted PDF that doesn't require additional work like redesign or error correction.
  • Versatility. Support for various input and target formats makes the solution suitable for reducing software costs and improving document workflow efficiency.

Such transformations are often required in business when preparing reports or documents for transfer to clients, in document management systems, in automatic report generation, and in the preparation of regulatory documents.

Input file:

convert docx file to pdf input

Output result:

convert docx file to pdf output

Complete code

using System;
using System.IO;
using System.Collections;

namespace Sample
{
    class Test
    {

        static void Main(string[] args)
        {
			// Before starting, we recommend to get a free key:
            // https://sautinsoft.com/start-for-free/
            
            // Apply the key here:
			// SautinSoft.PdfMetamorphosis.SetLicense("...");

            SautinSoft.PdfMetamorphosis p = new SautinSoft.PdfMetamorphosis();

            if (p != null)
            {
                string docxPath = @"..\..\..\example.docx";
                string pdfPath = Path.ChangeExtension(docxPath, ".pdf");

                // 2. Convert DOCX file to PDF file
                if (p.DocxToPdfConvertFile(docxPath, pdfPath) == 0)
					System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pdfPath) { UseShellExecute = true });
                else
                {
                    System.Console.WriteLine("Conversion failed!");
                    Console.ReadLine();
                }
            }
        }
    }
}

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Imports System
Imports System.IO

Namespace Sample
    Friend Class Test

        Shared Sub Main(ByVal args() As String)
			' Before starting, we recommend to get a free key:
            ' https://sautinsoft.com/start-for-free/
            
            ' Apply the key here:
			' SautinSoft.PdfMetamorphosis.SetLicense("...");


            Dim p As New SautinSoft.PdfMetamorphosis()

            If p IsNot Nothing Then
                Dim docxPath As String = "..\..\..\example.docx"
                Dim pdfPath As String = Path.ChangeExtension(docxPath, ".pdf")

                ' 2. Convert DOCX file to PDF file
                If p.DocxToPdfConvertFile(docxPath, pdfPath) = 0 Then
					System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(pdfPath) With {.UseShellExecute = True})
                Else
                    System.Console.WriteLine("Conversion failed!")
                    Console.ReadLine()
                End If
            End If
        End Sub
    End Class
End Namespace

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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.