Spire.Presentation is a standalone .NET library that enables developers to create, read, write, modify, and convert PowerPoint documents (PPT, PPS, PPTX, PPSX) in C#, VB.NET, ASP.NET, and other .NET environments. It does not require Microsoft PowerPoint to be installed and supports a wide range of presentation features, including text, images, charts, tables, animations, and export to formats like PDF, HTML, SVG, and images.

Key Features

PowerPoint File Processing Create, open, modify, and save PowerPoint presentations in multiple formats.

• Supports PPT, PPS, PPTX, PPSX formats.
• Compatible with .NET Framework, .NET Core, .NET Standard, .NET 5/6, Xamarin, Mono Android.

Conversion Capabilities Convert presentations to various formats while preserving layout and formatting.

• Export to PDF, XPS, HTML, Markdown, SVG, PNG, JPG, TIFF, EMF, BMP.

Content Management Comprehensive manipulation of presentation content.

• Manage text, images, shapes, charts, tables, SmartArt, audio, video, comments, hyperlinks, watermarks.

Slide and Master Management Control and customize slide layouts and designs.

• Create and edit slide masters and layouts for consistent presentation appearance.

Security and Protection Add security features to presentations.

• Digitally sign presentations.
• Add text and image watermarks.
• Protect slides from modification.

Advanced Features Enhance presentations with interactivity and data visualization.

• Insert and manage animations.
• Add speaker notes.
• Extract text and images.
• Merge and split presentations.
• Manage hyperlinks and comments.

Benefits

Independence from Microsoft PowerPoint No dependency on Office installations.

• Works on servers and environments without Microsoft Office.
• Simplifies deployment and reduces licensing costs.

Rich Feature Set for Developers Comprehensive API for automation and customization.

• Enables creation of complex presentations programmatically.
• Supports integration into web, desktop, and mobile .NET applications.

High-Quality File Conversion Reliable format conversion with layout and data preservation.

• Maintains fidelity when exporting to PDF, images, or other formats.
• Supports batch processing and automation scenarios.