Convert PDF to Word in C# using REST API

Convert_PDF_File_into_Word_DOCX_in_CSharp_using_Advanced_Options.cs

// How to transform PDF to Word 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 PDF to Word DOCX using Advanced Options
  class Convert_PDF_to_Word_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.pdf",
          Format = "docx",
          LoadOptions = new PdfLoadOptions { Password = "password" },

          ConvertOptions = new DocxConvertOptions() { Password = "password", Zoom = 100, Dpi = 300, Width = 100, Height = 100 },
          OutputPath = "csharp-testing/output-sample-file.docx"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted PDF file to Word file format: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }

    }
  }
}

Convert_PDF_File_to_Word_File_in_CSharp.md

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

The following topics are covered in this article:

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

Read the complete article on how to convert PDF to Word in C# .NET using REST API: https://blog.groupdocs.cloud/2022/11/17/convert-pdf-to-word-in-csharp-.net-using-rest-api/

Convert_PDF_to_Word_DOCX_in_CSharp.cs

// How to Convert PDF to Word File 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 PDF file to Word DOCX in C# 
  class Convert_PDF_to_Word
  {
    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.pdf",
          Format = "docx",
          LoadOptions = new PdfLoadOptions() { Password = "password" },
          OutputPath = "csharp-testing/output-sample-file.docx"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted PDF file to Word document in C#: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }
    }
  }
}

Convert_Range_of_Pages_from_PDF_to_Word_File_in_CSharp.cs

// How to Convert Range of Pages from PDF to Word DOC 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 PDF to Word in CSharp
  class Convert_Range_of_Pages_from_PDF_to_Word
  {
    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.pdf",
          Format = "docx",
          LoadOptions = new PdfLoadOptions { Password = "password" },
          ConvertOptions = new DocxConvertOptions
			    {
            FromPage = 1,
            PagesCount = 2,
            Password = "password"
			    },
          OutputPath = "csharp-testing/output-sample-file.docx"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted Selected Pages from PDF to Word file in CSharp: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }

    }
  }
}

Convert_Specific_Pages_from_PDF_to_Word_in_CSharp.cs

// How to Convert Specific Pages from PDF File to Word Document 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 Specific Pages of PDF to Word using CSharp
  class Convert_Specific_Pages_of_PDF_to_Word
  {
    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.pdf",
          Format = "docx",
          LoadOptions = new PdfLoadOptions { Password = "password" },
          ConvertOptions = new PdfConvertOptions
			    {  
            Password = "password",
			      Pages = new List<int?> {1, 2} // Page numbers starts from 1
			    },
          OutputPath = "csharp-testing/output-sample-file.docx"
        };
        
        // Convert to specified format
        var response = apiInstance.ConvertDocument(new ConvertDocumentRequest(settings));
        Console.WriteLine("Successfully converted specific pages of PDF file to Word file format: " + response[0].Url);
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs ConvertApi: " + e.Message);
      }

    }
  }
}

Download_Convert_PDF_file_to_Word_file_in_CSharp.cs

// How to Download converted Word 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.docx", 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.docx"))
        {
          downloadResponse.Seek(0, SeekOrigin.Begin);
          downloadResponse.CopyTo(fileStream);
        }
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception when calling GroupDocs FileApi: " + e.Message);
      }

    }
  }
}

Upload_to_Convert_PDF_to_Word_DOC_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.pdf", FileMode.Open);

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

        // upload file
        var response = fileApi.UploadFile(request);
        Console.WriteLine("PDF 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_PDF_to_Word_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";