.NET API for PowerPoint File Formats

Standalone library to read, write, manipulate & convert PowerPoint files to PDF, PDF/A, XPS, TIFF, HTML, ODP and other formats.

  Download Free Trial
Aspose.Slides for .NET

Aspose.Slides for .NET


Aspose.Slides for .NET is a Presentation Creation & Management API that enables applications to read, write, modify and convert PowerPoint & OpenOffice files. Being a standalone API, It provides the functionality to manage key features such as managing text, shapes, tables & animations, adding audio & video to slides, previewing slides and more without requiring Microsoft PowerPoint or any other additional software or library.

Aspose.Slides for .NET supports all of the popular formats for processing, manipulation & conversion. Moreover, API offers a number of advanced features such as printing on physical printers and rendering presentations to fixed-layout formats, HTML & images.


Advanced PowerPoint Processing API Features



Create or clone slides from templates


Work with PowerPoint tables via API


Apply or remove the protection on shapes


Add Excel charts as OleObjects to slides


Support for Linked OleObjects


Generate presentations from database


Protect presentations & resultant PDF


Print presentations on a physical printer


Create & customize charts

Reliably Convert Presentations to 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 industry-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 really that simple!

Render presentations - C#

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

Detailed Formatting of Presentation Contents

It is possible to format text and shapes on slides using API. Text on presentations is managed with the help of text frames associated with shapes. Hence making it easy for the developers to format text using paragraphs & portions associated with the text frames. You can also manipulate attributes of shape elements like position, size, line, image, text and fill using the API.

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 objects from a slide. Furthermore, the .NET Presentation library provides the ability to add, remove or iterate the nodes of a SmartArt. You may also dynamically modify the SmartArt's appearance such as setting style, color & layout.

Set Security Constraints on Presentations

Aspose.Slides for .NET API can lock presentation files in order to protect the contents from changing. Developers may also password protect presentation files as well as the converted PDF documents for secure distribution. The Presentation Library also supports the read-only access mode for the generated presentations and its document properties.

Create Presentation Thumbnails for Easy Viewing

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

Generate slide thumbnails via .NET - C#

// load the presentation file
var prs = new Aspose.Slides.Presentation(dir + "template.pptx");
// access the first slide from the collection
var sld = prs.Slides[0];
// create a full scale image of the slide
var bmp = sld.GetThumbnail(1f, 1f);
// save the image in JPEG format
bmp.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

Don't just take our word for it. See what users have to say about PowerPoint APIs.

View Case Studies

Support and Learning Resources


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