.NET APIs to manipulate PowerPoint presentations

Standalone APIs to Read, Write, Manipulate & Convert PowerPoint slides to PDF, PDF/A, XPS, TIFF, HTML, ODP and other PowerPoint formats.

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Aspose.Slides for .NET

Aspose.Slides for .NET


Aspose.Slides for .NET is a unique presentation processing API that enables any .NET application to read, write, modify and convert PowerPoint presentations. Being a standalone API, Aspose.Slides for .NET doesn't require Microsoft PowerPoint.

Aspose.Slides for .NET supports most of the Microsoft PowerPoint presentation and slideshow file formats for processing and manipulation. Moreover, API offers a number of advanced features such as printing and rendering presentation slides to fixed-layout formats, HTML & images.


Advanced PowerPoint Processing API Features



Create new slides or clone existing slides from templates


Create shapes on slides


Add text to shapes


Support working with PowerPoint tables


Save & load PowerPoint files to & from streams


Handle text & shape formatting


Apply or remove protection on shapes


Scan text from presentations


Render slides to images


Export presentations to PDF


Export slides to SVG


Exporting to TIFF Notes


Add images to presentations


Embed Excel charts as OLE objects in slides


Support for Linked Ole Objects


Generate presentations from database


Support for MSO 2016 Charts


Export presentation to HTML


Import & export HTML text in slides


Support for ActiveX components


Support for SmartArt shapes


Protect presentations & resultant PDF


Support for VBA Macros


Print PowerPoint presentations


Set Font Size of Individual Legend


Create Stock Chart & Get Chart Image


Change Series Color


Set Chart Area Rounded Borders


Change Color of Categories in Series


Set Font Properties for Chart Data Table

Reliably Export Presentations as PDF, TIFF or XPS

Aspose.Slides for .NET has its own rendering engine, specially designed for rendering with highest of fidelity to the Microsoft PowerPoint. This feature allows you to export presentations to a number of standard formats such as PDF, TIFF and XPS with results identical to the original presentation. Moreover, in order to export a presentation, you only need to load the presentation file and call the save method along with the desired output format. It is that simple!

Render presentations - C#

// load the file to be converted
var presentation = new Aspose.Slides.Presentation(dir + "template.pptx");
// render as PDF, XPS & TIFF
presentation.Save(dir + "output.pdf", Aspose.Slides.Export.SaveFormat.Pdf);
presentation.Save(dir + "output.xps", Aspose.Slides.Export.SaveFormat.Xps);
presentation.Save(dir + "output.tiff", Aspose.Slides.Export.SaveFormat.Tiff);

Complete Control Over PowerPoint Slide Elements

Aspose.Slides for .NET can handle all presentation slide elements including text box, table, rectangle, ellipse, polyline, auto-shape, picture frame, audio frame, video frame & OLE object frame. API provides well-designed set of classes that enables you to comprehensively manipulate each of these elements.

Detailed Formatting of Presentation Contents

It is possible to format text and shapes on slides in a presentation using Aspose.Slides for .NET API. Text is managed through text frames associated with shapes. Hence text is formatted using paragraphs and portions associated with the text frames. You can also manipulate attributes of shape element like position, size, line, image, text and fill.

SmartArt Creation, Manipulation & Formatting

Aspose.Slides for .NET facilitates in creating SmartArt shapes from scratch as well as provides the ability to access, manipulate or remove existing SmartArt shapes from a slide. Furthermore, the .NET Presentation API provides the ability to add, remove or iterate the nodes of a SmartArt. It is also possible to dynamically modify the SmartArt's appearance such as setting style, color & layout.

Set Security Constraints on Presentations

Aspose.Slides for .NET API provides the facility to lock presentation files in order to protect the contents from changing. It also supports password protection for presentation files as well as for the converted PDF file. Moreover, you may set read-only access mode for the generated presentations and its document properties.

Create Thumbnails of Presentation Slides

Aspose.Slides for .NET allows to create thumbnails of the presentation slides so that you may distribute slide images to those users who do not have the PowerPoint application installed on their machines or you may use images in your custom websites; the possibilities are limitless. 

Generate slide thumbnails - C#

// load the presentation file
var presentation = new Aspose.Slides.Presentation(dir + "template.pptx");
// access the first slide from the collection
var slide = presentation.Slides[0];
// create a full scale image of the slide
var bitmap = slide.GetThumbnail(1f, 1f);
// save the image in JPEG format
bitmap.Save(dir + "output.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);

Microsoft Office Automation – Not Needed

Aspose.Slides for .NET is built using managed code that does not need Microsoft Office or Microsoft PowerPoint to be installed on the machine to work with PowerPoint document formats. It is a perfect Microsoft Office automation alternative in terms of supported features, security, stability, scale-ability, speed and price.

What People Are Saying

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Support and Learning Resources


Aspose.Slides offers individual PowerPoint APIs for other popular development environments as listed below: