Aspose.Slides Presentation to HTML Converter for .NET

Aspose.Slides Presentation to HTML Converter for .NET allows you to export PowerPoint presentations to HTML while preserving text, images, animations, and formatting. This helps integrate presentation rendering into web applications, previews, and content publishing workflows.

It provides a flexible API for default conversion and advanced customization including font settings, multimedia handling, and slide rendering options.

Installation and Setup

  1. Install the NuGet package Aspose.Slides.NET
  2. Apply licensing to avoid evaluation limitations: Licensing
  3. Check platform support: .NET System Requirements

Supported Platforms

  • Windows, Linux, macOS
  • .NET 6+, .NET Framework 4.0+, Mono
  • x86, x64, ARM64

Basic PowerPoint to HTML Conversion 

// Convert the input presentation to HTML format.
using (var pres = new Presentation("pres.pptx"))
    pres.Save("pres.html", SaveFormat.Html);
// Convert the input presentation to HTML with a given quality of the JPEG images inside document.
using (var pres = new Presentation("pres.ppt"))
    pres.Save("pres.html", SaveFormat.Html, new HtmlOptions() { JpegQuality = 80 });
// Convert the input presentation to HTML with notes.
using (var pres = new Presentation("pres.pptx"))
{
    IHtmlOptions options = new HtmlOptions()
    {
        SlidesLayoutOptions = new NotesCommentsLayoutingOptions() 
        { 
            NotesPosition = NotesPositions.BottomFull 
        }
    };
    pres.Save("presNotes.html", SaveFormat.Html, options);
}

Practical Use Cases

  • Embed presentations into websites directly
  • SaaS presentation viewers or approval tools
  • Lightweight previews before download
  • Online training or web-based slide browsing

FAQ

Are animations supported?
Yes — animations and transitions can be exported depending on layout options.

Does it work without Microsoft Office?
Yes — no Office or PowerPoint installation required.

Can hidden text or media be included/excluded?
Yes — via conversion settings.

Can the export be optimized for mobile?
HTML is fully customizable for responsive design.