.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 PowerPoint® management 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


Generate MSO 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

Presentation Rendering & Conversion

It is possible to convert presentations to SVG, PDF, PDF Notes, TIFF, TIFF with Notes and XPS formats directly using Aspose.Slides for .NET API. Moreover, the API supports inter-conversion of several PowerPoint presentation file formats including PPT, PPTX, POT, POTX, PPS & PPSX. Aspose.Slides for .NET also supports Open Document Presentation (ODP) file format.

Presentation API Content Features

Aspose.Slides for .NET API enables you to access, modify or create almost all the possible contents of presentations.

  • Master Slides : access and modify a presentation's master slides for defining normal slides layout
  • Normal Slides : access and modify existing slides or create new slides of different types.
  • Cloning / Copying Slides : clone or copy existing slides within a presentation or from other presentations
  • Place Holders and Text Holders : access within existing slide or create a slide with text holders from scratch
  • Header and Footers : API handles header and footers in slides
  • Slide's Notes : Add Notes to slides or access and modify Notes associated with a slide
  • Finding a Shape : Find a shape on any slide using the alternative text associated with it
  • Backgrounds : API supports working with the background associated with a master or normal slide
  • Text Boxes : create Text Boxes from scratch or access and modify its text without loosing its format
  • Shapes : Create or modify following shapes
    • Rectangle Shapes
    • Poly Line Shapes
    • Ellipse Shapes
    • Group Shapes
    • Auto Shapes
  • Shapes Serialization : Although a number of shapes supported by API and in case if shape is not supported then use serialization method through which one can serialize that from an existing slide.
  • Frames :
    • Picture Frames
    • Audio Frames - Audio files linked or embedded in slides through audio frames
    • Video Frames
    • OLE Frame - OLE Objects are managed through OLE frames
    • Text Frame - Text associated with any shape accessed through text frame belongs to that shape
  • Tables : API supports Tables on presentation slides
  • Text Scanning : Built-in scanning methods used for text scanning on presentation or slide level.
  • Animations : Animations can be applied to shapes.
  • Slide Shows : Slide shows and slide transitions are supported.

PowerPoint API Formatting Features

API supports Text and Shape formatting features on slides in a presentation document. Text is formatted using paragraphs and portions within each text frames. Text frames associated with shapes as shape is basic element of a slide.

Text Formatting
  • Font type
  • Font size
  • Font color
  • Font shades
  • Paragraph alignment
  • Paragraph bulleting
  • Paragraph orientation
Shape Formatting
  • Position
  • Size
  • Line
  • Fill (including pattern, gradient, and solid).
  • Text
  • Image

Advance Security

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 modes for the generated presentations and its document properties.

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.


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