Node.js PowerPoint API for Presentations

How to Create a New PowerPoint Presentation in Node.js

The example below adds a rectangle to the first slide of a presentation.

            
const presentation = new asposeSlides.Presentation();
try {
    const slide = presentation.slides.get(0);
    slide.shapes.addAutoShape(asposeSlides.ShapeType.Rectangle, 50, 150, 300, 200);

    presentation.save("presentation.pptx", asposeSlides.SaveFormat.Pptx);
}
finally {
    presentation.dispose();
}
            
        

Create slides or clone existing slides from templates

Work with PowerPoint tables via API

Apply or remove shape protection

Add Excel charts as OLE objects to slides

Create shapes and add text to shapes on slides

Handle text and shape formatting

Generate presentations from a database

Protect presentations and generated PDF files

Print presentations on a physical printer

System Requirements

• Aspose.Slides for Node.js via .NET is a server-side JavaScript API based on Node.js. It can run on Windows, Linux, and macOS with .NET 6 or later.

How to Install

Use npm to install the Aspose.Slides Node.js library for presentation processing from the npm package repository:

npm install aspose.slides.via.net

How to Add and Clone Slides and Edit Shape Properties in Node.js

This Node.js code shows you how to add and clone slides and set a slide background:

            
const presentation = new asposeSlides.Presentation();
const sourcePresentation = new asposeSlides.Presentation();
try {
    // Add an empty slide to the presentation.
    const layoutSlide = presentation.layoutSlides.get(0);
    presentation.slides.addEmptySlide(layoutSlide);

    // Clone a slide from the source presentation.
    const sourceSlide = sourcePresentation.slides.get(0);
    presentation.slides.addClone(sourceSlide);

    // Access and modify properties of the first slide.
    const slide = presentation.slides.get(0);

    // Set the background of the first slide.
    slide.background.type = asposeSlides.BackgroundType.OwnBackground;
    slide.background.fillFormat.fillType = asposeSlides.FillType.Solid;
    slide.background.fillFormat.solidFillColor.color = "#AEC025F4";
}
finally {
    sourcePresentation.dispose();
    presentation.dispose();
}
            
        

How to Convert PowerPoint to PDF in Node.js

This Node.js code shows you how to convert a PowerPoint presentation to a PDF document.

            
const presentation = new asposeSlides.Presentation("presentation.pptx");
try {
    presentation.save("presentation.pdf", asposeSlides.SaveFormat.Pdf);
}
finally {
    presentation.dispose();
}
            
        

How to Convert PowerPoint to GIF in Node.js

This Node.js code shows you how to convert a PowerPoint presentation to a GIF image.

            
const presentation = new asposeSlides.Presentation("presentation.pptx");
try {
    presentation.save("presentation.gif", asposeSlides.SaveFormat.Gif);
}
finally {
    presentation.dispose();
}
            
        

How to Convert PowerPoint to HTML in Node.js

This Node.js code shows you how to convert a PowerPoint presentation to an HTML document.

            
const presentation = new asposeSlides.Presentation("presentation.pptx");
try {
    presentation.save("presentation.html", asposeSlides.SaveFormat.Html);
}
finally {
    presentation.dispose();
}
            
        

How to Convert PowerPoint to ODP in Node.js

This Node.js code shows you how to convert a PowerPoint presentation to an ODP document.

            
const presentation = new asposeSlides.Presentation("presentation.pptx");
try {
    presentation.save("presentation.odp", asposeSlides.SaveFormat.Odp);
}
finally {
    presentation.dispose();
}
            
        

How to Merge Presentations in Node.js

This Node.js code shows you how to merge presentations:

            
const destinationPresentation = new asposeSlides.Presentation("presentation1.pptx");
const sourcePresentation = new asposeSlides.Presentation("presentation2.pptx");
try {
    const slideCount = sourcePresentation.slides.length;
    for (let slideIndex = 0; slideIndex < slideCount; slideIndex++) {
        const slide = sourcePresentation.slides.get(slideIndex);
        destinationPresentation.slides.addClone(slide);
    }

    destinationPresentation.save("combined-presentation.pptx", asposeSlides.SaveFormat.Pptx);
}
finally {
    destinationPresentation.dispose();
    sourcePresentation.dispose();
}
            
        

How to Retrieve Various Properties of a PowerPoint Presentation

The following example shows you how to retrieve various properties of a PowerPoint presentation.

            
const presentation = new asposeSlides.Presentation("presentation.pptx");
try {
    // Retrieve various properties of the presentation.
    const slideCount = presentation.slides.length;
    const masterSlideCount = presentation.masters.length;
    const layoutSlideCount = presentation.layoutSlides.length;
    const firstSlideNumber = presentation.firstSlideNumber;
    const lastView = presentation.viewProperties.lastView;
    const masterThemeName = presentation.masterTheme.name;
    const sourceFormat = presentation.sourceFormat;
    const videoCount = presentation.videos.length;
    const imageCount = presentation.images.length;

    // Log presentation properties to the console.
    console.log("Slide count: " + slideCount);
    console.log("Master slide count: " + masterSlideCount);
    console.log("Layout slide count: " + layoutSlideCount);
    console.log("First slide number: " + firstSlideNumber);
    console.log("Last view: " + lastView);
    console.log("Master theme name: " + masterThemeName);
    console.log("Source format: " + sourceFormat);
    console.log("Video count: " + videoCount);
    console.log("Image count: " + imageCount);
}
finally {
    presentation.dispose();
}