Convert Word document to Image in ASP.NET MVC

4 Jul 20234 minutes to read

Syncfusion Essential DocIO is a .NET Word library used to create, read, edit, and convert Word documents programmatically without Microsoft Word or interop dependencies. Using this library, you can convert a Word document to image in ASP.NET MVC.

Steps to convert Word document to Image in C#

Step 1: Create a new ASP.NET Web Application project.

Step 2: Select the MVC application.

Step 3: Install the Syncfusion.DocIO.AspNet.Mvc5 NuGet package as a reference to your project from NuGet.org.

NOTE

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, you also have to add “Syncfusion.Licensing” assembly reference and include a license key in your projects. Please refer to this link to know about registering Syncfusion license key in your application to use our components.

Step 4: Include the following namespace in that HomeController.cs file.

C#

using Syncfusion.DocIO;
using Syncfusion.DocIO.DLS;

Step 5: A default action method named Index will be present in HomeController.cs. Right click on Index method and select Go To View where you will be directed to its associated view page Index.cshtml.

Step 6: Add a new button in the Index.cshtml as shown below.

C#

@{
    Html.BeginForm("ConvertWordtoImage", "Home", FormMethod.Get);
    {
        <br />
        <div>
            <input type="submit" value="Convert Word to Image" style="width:200px;height:27px" />
        </div>
    }
    Html.EndForm();
}

Step 7: Add the below code snippet in HomeController.cs to convert the Word document to image and download it.

C#

public void ConvertWordtoImage()
{
    //Open the file as Stream
    using (FileStream docStream = new FileStream(Server.MapPath("~/App_Data/Input.docx"), FileMode.Open, FileAccess.Read))
    {
        //Loads file stream into Word document
        using (WordDocument wordDocument = new WordDocument(docStream, FormatType.Docx))
        {                 
            //Convert the first page of the Word document into an image.
            Image image = wordDocument.RenderAsImages(0, ImageType.Bitmap);
            //Save the image as jpeg. 
            ExportAsImage(image, "WordToImage.Jpeg", ImageFormat.Jpeg, HttpContext.ApplicationInstance.Response);
        }
    }
}
//To download the image file
protected void ExportAsImage(Image image, string fileName, ImageFormat imageFormat, HttpResponse response)
{
    if (ControllerContext == null)
        throw new ArgumentNullException("Context");
    string disposition = "content-disposition";
    response.AddHeader(disposition, "attachment; filename=" + fileName);
    if (imageFormat != ImageFormat.Emf)
        image.Save(Response.OutputStream, imageFormat);
    Response.End();
}

You can download a complete working sample from GitHub.

By executing the program, you will get the image as follows.

Click here to explore the rich set of Syncfusion Word library (DocIO) features.

An online sample link to convert Word document to image in ASP.NET MVC.