Convert Word to PDF Programmatically in C#

Change_Word_File_to_PDF_in_CSharp.md

You can convert Word to PDF file programmatically on the cloud. In this article, you will learn how to convert Word to PDF format in C# using REST API.

The following topics are covered in this article:

1. Document and File Conversion API - .NET SDK
2. Convert Word to PDF Programmatically in C# using REST API
3. Convert DOCX File to PDF in C# using Advanced Options
4. How to Convert Range of Pages from Word to PDF in C#
5. How to Convert Specific Pages of Word to PDF in C#

Convert_Range_of_Pages_of_Word_to_PDF_in_CSharp.cs

// How to Convert Range of Pages from Word to PDF in CSharp
using System;
using System.Collections.Generic;
using GroupDocs.Conversion.Cloud.Sdk.Api;
using GroupDocs.Conversion.Cloud.Sdk.Client;
using GroupDocs.Conversion.Cloud.Sdk.Model;
using GroupDocs.Conversion.Cloud.Sdk.Model.Requests;

namespace GroupDocs.Conversion.CSharp
{
  // Convert Selected Pages from Word to PDF in CSharp
  class Convert_Range_of_Pages_from_Word_To_PDF
  {
    static void Main(string[] args)
    {
      try
      {
      	// Create necessary API instances
      	var apiInstance = new ConvertApi(configuration);
        // Prepare convert settings
        var settings = new ConvertSettings
        {
          FilePath = "csharp-testing/input-sample-file.docx",
          Format = "pdf",
          LoadOptions = new DocxLoadOptions { Password = "password" },
          ConvertOptions = new PdfConvertOptions
			    {
            FromPage = 2,
            PagesCount = 2
			    },
          OutputPath = "csharp-testing/output-sample-file.pdf"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted Selected Pages to PDF file in CSharp: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }

    }
  }
}

Convert_Specific_Pages_from_Word_to_PDF_in_CSharp.cs

// How to Convert Specific Pages of Word to PDF using CSharp
using System;
using System.Collections.Generic;
using GroupDocs.Conversion.Cloud.Sdk.Api;
using GroupDocs.Conversion.Cloud.Sdk.Client;
using GroupDocs.Conversion.Cloud.Sdk.Model;
using GroupDocs.Conversion.Cloud.Sdk.Model.Requests;

namespace GroupDocs.Conversion.CSharp
{
  // Convert Specific Pages of Word to PDF using CSharp
  class Convert_Specific_Pages_of_Word_To_PDF
  {
    static void Main(string[] args)
    {
      try
      {
      	// Create necessary API instances
      	var apiInstance = new ConvertApi(configuration);
        // Prepare convert settings
        var settings = new ConvertSettings
        {
          FilePath = "csharp-testing/input-sample-file.docx",
          Format = "pdf",
          LoadOptions = new DocxLoadOptions { Password = "password" },
          ConvertOptions = new PdfConvertOptions
			    {
			        Pages = new List<int?> {1, 2} // Page numbers starts from 1
			    },
          OutputPath = "csharp-testing/output-sample-file.pdf"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted specific pages of Word file to PDF file format: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }

    }
  }
}

Convert_Word_Document_to_PDF_file_in_CSharp_using_Advanced_Options.cs

// How to transform Word to PDF using Advanced Options
using System;
using GroupDocs.Conversion.Cloud.Sdk.Api;
using GroupDocs.Conversion.Cloud.Sdk.Client;
using GroupDocs.Conversion.Cloud.Sdk.Model;
using GroupDocs.Conversion.Cloud.Sdk.Model.Requests;

namespace GroupDocs.Conversion.CSharp
{
  // Convert Word DOCX to PDF using Advanced Options
  class Convert_Word_To_PDF_Advanced_Options
  {
    static void Main(string[] args)
    {

      try
      {
      	// Create necessary API instances
      	var apiInstance = new ConvertApi(configuration);
        // Prepare convert settings
        var settings = new ConvertSettings
        {
          FilePath = "csharp-testing/input-sample-file.docx",
          Format = "pdf",
          LoadOptions = new DocxLoadOptions { Password = "password" },
          ConvertOptions = new PdfConvertOptions
          {
            CenterWindow = true,
            CompressImages = false,
            DisplayDocTitle = true,
            Dpi = 1024,
            FitWindow = false,
            FromPage = 1,
            Grayscale = false,
            ImageQuality = 100,
            Linearize = false,
            MarginTop = 5,
            MarginLeft = 5,
            Password = "password",
            UnembedFonts = true,
            RemoveUnusedStreams = true,
            RemoveUnusedObjects = true,
            RemovePdfaCompliance = false
          },
          OutputPath = "csharp-testing/output-sample-file.pdf"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted Word to PDF format: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }

    }
  }
}

Convert_Word_to_PDF_in_CSharp.cs

// How to Convert Word File to PDF using C# REST API
using System;
using GroupDocs.Conversion.Cloud.Sdk.Api;
using GroupDocs.Conversion.Cloud.Sdk.Client;
using GroupDocs.Conversion.Cloud.Sdk.Model;
using GroupDocs.Conversion.Cloud.Sdk.Model.Requests;

namespace GroupDocs.Conversion.CSharp
{
	// Change Word DOCX to PDF file
  class Convert_Word_To_PDF
  {
    static void Main(string[] args)
    {
      try
      {
      	// Create necessary API instances
      	var apiInstance = new ConvertApi(configuration);
        // Prepare convert settings
        var settings = new ConvertSettings
        {
          FilePath = "csharp-testing/input-sample-file.docx",
          Format = "pdf",
          OutputPath = "csharp-testing/output-sample-file.pdf"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted Word document to PDF file format: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }
    }
  }
}

Download_Convert_Word_file_to_PDF_format_in_CSharp.cs

// How to Download converted PDF file in C#
using System;
using GroupDocs.Conversion.Cloud.Sdk.Api;
using GroupDocs.Conversion.Cloud.Sdk.Client;
using GroupDocs.Conversion.Cloud.Sdk.Model.Requests;

namespace GroupDocs.Conversion.CSharp
{
  // Download Output File
  class Download_File
  {
    static void Main(string[] args)
    {
      try
      {
        // initialize api
        var fileApi = new FileApi(configuration);
        // create download file request
        var downloadRequest = new DownloadFileRequest("csharp-testing/output-sample-file.pdf", myStorage);
        // download file
        Stream downloadResponse = fileApi.DownloadFile(downloadRequest);

        // save file in working directory
        using (var fileStream = System.IO.File.Create("H:\\groupdocs-cloud-data\\output-sample-file.pdf"))
        {
          downloadResponse.Seek(0, SeekOrigin.Begin);
          downloadResponse.CopyTo(fileStream);
        }
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs FileApi: " + e.Message);
      }

    }
  }
}

Upload_to_Change_Word_to_PDF_in_CSharp.cs

using System;
using GroupDocs.Conversion.Cloud.Sdk.Api;
using GroupDocs.Conversion.Cloud.Sdk.Client;
using GroupDocs.Conversion.Cloud.Sdk.Model.Requests;
using System.IO;

namespace GroupDocs.Conversion.CSharp
{
  // Upload Sample File
  class Upload_File
  {
    static void Main(string[] args)
    {
      try
      {
        // initialize api
        var fileApi = new FileApi(configuration);

        // open file
        var fileStream = File.Open(@"H:\groupdocs-cloud-data\input-sample-file.docx", FileMode.Open);

        // create file upload request
        var request = new UploadFileRequest("csharp-testing/input-sample-file.docx", fileStream, myStorage);

        // upload file
        var response = fileApi.UploadFile(request);
        Console.WriteLine("Word File Upload Process Completed: " + response.Uploaded.Count.ToString());
        fileStream.Close();
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs FileApi: " + e.Message);
      }
    }
  }
}

Utils_to_Convert_Word_to_PDF_Online_in_CSharp.cs

//Get clientId & clientSecret from https://dashboard.groupdocs.cloud (free registration is required).
string clientId = "xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
string clientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
string myStorage = "test-internal-storage";

var configuration = new Configuration(clientId, clientSecret);
configuration.ApiBaseUrl = "https://api.groupdocs.cloud";