C# PowerPoint library that creates, reads, and edits PPTX presentations without Microsoft Office or Interop. Runnable .NET examples for slide generation, text boxes with styled paragraphs, image insertion, shapes (rectangle, ellipse, cloud, and more), and slide layout. .NET 10 through Framework 4.6.2.
csharp dotnet presentation powerpoint dotnet-core pptx document-automation iron-software openxml-alternative ironppt pptx-generation powerpoint-interop-alternative
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Updated
Aug 29, 2026 - C#