Convert PDF file to Image in Blazor

8 Mar 20242 minutes to read

The Syncfusion PDF to Image converter is a .NET library used to convert PDF document to image in Blazor application.

Steps to convert PDF document to Image in Blazor application

Step 1: Create a new C# Blazor Server Application project.
Select Blazor App from the template and click the Next button.
Create Blazor application

Step 2: In configuration windows, name your project and select Create.
Configuration window1
Configuration window2

Step 3: Install Syncfusion.PdfToImageConverter.Net NuGet package as reference to your .NET Standard applications from NuGet.org.

NOTE

If you want to use the PdfToImageConverter in the Linux environment, you need to install the SkiaSharp.NativeAssets.Linux v2.88.6 NuGet package as reference to your applications from NuGet.org.

Step 4: Create a new razor component named ConvertPDFToImage under Pages folder. Include the following namespace in that ConvertPDFToImage.razor file.

  • C#
  • @using Syncfusion.PdfToImageConverter;

    Step 5: Create a new button in ConvertPDFToImage.razor using the following code.

  • C#
  • <button @onclick="ExportToImage">Convert PDF To Image</button>

    Step 6: Add the ExportToImage method in ConvertPDFToImage.razor and include the below code example to convert PDF document to Image using Convert method in PdfToImageConverter class.

  • C#
  • private void ExportToImage()
    {
        //Initialize PDF to Image converter.
        PdfToImageConverter imageConverter = new PdfToImageConverter();
        //Load the PDF document as a stream
        FileStream inputStream = new FileStream("Input.pdf", FileMode.Open, FileAccess.ReadWrite);
        imageConverter.Load(inputStream);
        //Convert PDF to Image.
        Stream outputStream = imageConverter.Convert(0, false, false);
        MemoryStream stream = outputStream as MemoryStream;
        byte[] bytes = stream.ToArray();
        using (FileStream output = new FileStream("output.png", FileMode.OpenOrCreate, FileAccess.ReadWrite))
        {
            output.Write(bytes, 0, bytes.Length);
        }
    }

    Step 7: Add ConvertPDFToImage.razor file in index.razor.

  • C#
  • <ConvertPDFToImage></ConvertPDFToImage>

    By executing the program, you will get the following output in the browser.
    Browser window

    Click the Convert PDF To Image button, you will get the image as follows.
    Convert PDFToImage Blazor output