Syncfusion® PowerPoint library is feature-rich and high-performance .NET PowerPoint library that allows you to create, manipulate and convert PowerPoint documents (PPTX, PPTM, POTX and POTM).
$ dotnet add package Syncfusion.Presentation.NETThe Syncfusion .NET PowerPoint library (Essential Presentation) is a feature-rich and high-performance .NET PowerPoint library that is used to create, read, edit and convert PowerPoint presentation programmatically.

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You can fetch the Syncfusion .NET PowerPoint library NuGet by simply running the command Install-Package Syncfusion.Presentation.NET from the Package Manager Console in Visual Studio.
Try the following code example to create a hello world PowerPoint Presentation.
//Namespace to create PowerPoint
using Syncfusion.Presentation;
//Creates a new instance of PowerPoint presentation.
using (IPresentation pptxDoc = Presentation.Create())
{
//Adds a slide to the PowerPoint Presentation.
ISlide firstSlide = pptxDoc.Slides.Add(SlideLayoutType.Blank);
//Adds a textbox in a slide by specifying its position and size.
IShape textShape = firstSlide.AddTextBox(100, 75, 756, 200);
//Adds a new paragraph with text.
textShape.TextBody.AddParagraph("Hello World");
//Creates an instance of memory stream.
using (MemoryStream stream = new MemoryStream())
{
//Saves the Presentation to stream.
pptxDoc.Save(stream);
}
}For more information to get started, refer to our Getting Started Documentation page.
This is a commercial product and requires a paid license for possession or use. Syncfusion’s licensed software, including this component, is subject to the terms and conditions of Syncfusion's EULA. You can purchase a license here or start a free 30-day trial here.
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