Convert PowerPoint to PDF in .NET MAUI

13 Mar 20245 minutes to read

Syncfusion PowerPoint is a .NET MAUI PowerPoint library used to create, read, edit and convert PowerPoint presentation programmatically without Microsoft PowerPoint or interop dependencies. Using this library, you can convert a PowerPoint to PDF in .NET MAUI.

Prerequisites

To create .NET Multi-platform App UI (.NET MAUI) apps, you need the latest versions of Visual Studio 2022 and .NET 6. For more details, refer here.

Steps to convert PowerPoint to PDF programmatically

Step 1: Create a new C# .NET MAUI app. Select .NET MAUI App (Preview) from the template and click the Next button.

Step 2: Enter the project name and click Create.

Step 3: Install the Syncfusion.PresentationRenderer.NET 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: Add a new button to the MainPage.xaml as shown below.

C#

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="Convert_PowerPoint_Presentation_to_PDF.MainPage">
    <ScrollView>
        <Grid RowSpacing="25" RowDefinitions="Auto,Auto,Auto,Auto,*"
            Padding="{OnPlatform iOS='30,60,30,30', Default='30'}">
            <Button 
                Text="Convert PPTX to PDF"
                FontAttributes="Bold"
                Grid.Row="0"
                SemanticProperties.Hint="Convert PPTX to PDF"
                Clicked="ConvertPPTXtoPDF"
                HorizontalOptions="Center" />
        </Grid>
    </ScrollView>
</ContentPage>

Step 5: Include the following namespaces in the MainPage.xaml.cs file.

C#

using Syncfusion.Presentation;
using Syncfusion.PresentationRenderer;
using Syncfusion.Pdf;

Step 6: Add a new action method ConvertPPTXtoPDF in MainPage.xaml.cs and include the below code snippet to convert a PowerPoint to PDF in .NET MAUI.

C#

//Loading an existing PowerPoint presentation.
Assembly assembly = typeof(App).GetTypeInfo().Assembly;
//Open the existing PowerPoint presentation with loaded stream.
using (IPresentation pptxDoc = Presentation.Open(assembly.GetManifestResourceStream("Convert_PowerPoint_Presentation_to_PDF.Assets.Input.docx")))
{
    //Convert the PowerPoint document to PDF document.
    using (PdfDocument pdfDocument = PresentationToPdfConverter.Convert(pptxDoc))
    {
        //Save the converted PDF document to MemoryStream.
        MemoryStream pdfStream = new MemoryStream();
        pdfDocument.Save(pdfStream);
        pdfStream.Position = 0;
        //save and Launch the PDF document.
        SaveService saveService = new();
        saveService.SaveAndView("Sample.pdf", "application/pdf", pdfStream);
    }
}

You can download a complete working sample from GitHub.

By executing the program, you will get the PDF document as follows.

Helper files for .NET MAUI

Refer the below helper files and add them into the mentioned project. These helper files allow you to save the stream as a physical file and open the file for viewing.

Folder Name	File Name	Summary
.NET MAUI Project	SaveService.cs	Represent the base class for save operation.
Windows	SaveWindows.cs	Save implementation for Windows.
Android	SaveAndroid.cs	Save implementation for Android device.
Mac Catalyst	SaveMac.cs	Save implementation for Mac Catalyst device.
iOS	SaveIOS.cs	Save implementation for iOS device
	PreviewControllerDS.cs QLPreviewItemFileSystem.cs	Helper classes for viewing the PowerPoint Presenatation in iOS device

Click here to explore the rich set of Syncfusion PowerPoint Library (Presentation) features.

An online sample link to convert PowerPoint Presentation to PDF in ASP.NET Core.