Node.js PowerPoint API for Presentations

Create or clone existing slides from templates

Work with PowerPoint tables via API

Apply or remove the protection on shapes

Add Excel charts as OleObjects to slides

Create shapes and add text to shapes on slides

Handle text & shape formatting

Generate presentations from database

Protect presentations & resultant PDF

Print presentations on a physical printer

System Requirements

• Aspose.Slides for Node.js via .NET is server-side JavaScript API based on Node.js. It can run on Windows, Unix/Linux & Mac platforms with .NET6 or above.

How to Install

Use NPM to install our Node.js library for Presentation processing from the NPM Package repository:

npm install aspose.slides.via.net

How to Create New PowerPoint Presentation in Node.js

In the example given below, we have added a rectangle to the first slide of the presentation.

  const asposeSlides = require('aspose.slides.via.net'); const { Presentation, SaveFormat, ShapeType } = asposeSlides; var pres = new Presentation(); try { var slide = pres.slides.get(0); slide.shapes.addAutoShape(ShapeType.Rectangle, 50, 150, 300, 200); pres.save("pres.pptx", SaveFormat.Pptx); } finally { if (pres != null) pres.dispose(); }  

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

This Node.js code shows you how to edit various properties and clone slides:

  const asposeSlides = require('aspose.slides.via.net'); const { Presentation, BackgroundType, FillType, ImageFormat } = asposeSlides; var pres = new Presentation(); try { // Add an empty slide to the presentation pres.slides.addEmptySlide(pres.layoutSlides.get(0)); // Create another presentation and add its clone into the pres var pres2 = new Presentation(); pres.slides.addClone(pres2.slides.get(0)); // Access and modify properties of the first slide in pres var slide = pres.slides.get(0); // Get the first slide var slideNumber = slide.slideNumber; // Get slide number var hidden = slide.hidden; // Check if the slide is hidden // Set the background of the first slide slide.background.type = BackgroundType.OwnBackground; // Set background type slide.background.fillFormat.fillType = FillType.Solid; // Set fill type to solid slide.background.fillFormat.solidFillColor.color = "#AEC025F4"; // Set a solid fill color } finally { if (pres != null) pres.dispose(); }  

How to Convert PowerPoint to PDF in Node.js

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

  const asposeSlides = require('aspose.slides.via.net'); const { Presentation, SaveFormat } = asposeSlides; var pres = new Presentation("pres.pptx"); try { pres.save("pres.pdf", SaveFormat.Pdf); } finally { if (pres != null) pres.dispose(); }  

How to Convert PowerPoint to GIF in Node.js

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

  const asposeSlides = require('aspose.slides.via.net'); const { Presentation, SaveFormat } = asposeSlides; var pres = new Presentation("pres.pptx"); try { pres.save("pres.gif", SaveFormat.Gif); } finally { if (pres != null) pres.dispose(); }  

How to Convert PowerPoint to HTML in Node.js

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

  const asposeSlides = require('aspose.slides.via.net'); const { Presentation, SaveFormat } = asposeSlides; var pres = new Presentation("pres.pptx"); try { pres.save("pres.html", SaveFormat.Html); } finally { if (pres != null) pres.dispose(); }  

How to Convert PowerPoint to ODP in Node.js

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

  const asposeSlides = require('aspose.slides.via.net'); const { Presentation, SaveFormat } = asposeSlides; var pres = new Presentation("pres.pptx"); try { pres.save("pres.odp", SaveFormat.Odp); } finally { if (pres != null) pres.dispose(); }  

How to Merge Presentations in Node.js

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

  const asposeSlides = require('aspose.slides.via.net'); const { Presentation, SaveFormat } = asposeSlides; var pres1 = new Presentation("pres1.pptx"); var pres2 = new Presentation("pres2.pptx"); try { for (var i = 0; i < pres2.slides.length; i++) { pres1.slides.addClone(pres2.slides.get(i)); } pres1.save("combinedPresentation.pptx", SaveFormat.Pptx); } finally { if (pres1 != null) pres1.dispose(); if (pres2 != null) pres2.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 asposeSlides = require('aspose.slides.via.net'); const { Presentation } = asposeSlides; var pres = new Presentation("pres.pptx"); try { // Retrieve various properties of the presentation var countSlides = pres.slides.count; // Total number of slides var countMastersSlides = pres.masters.count; // Total number of master slides var countLayoutSlides = pres.layoutSlides.count; // Total number of layout slides var firstSlideNumber = pres.firstSlideNumber; // Number of the first slide var lastView = pres.viewProperties.lastView; // Last view type of the presentation var masterThemeName = pres.masterTheme.name; // Name of the master theme var sourceFormat = pres.sourceFormat; // Format of the source presentation var countVideos = pres.videos.count; // Total number of videos in the presentation var countImages = pres.images.count; // Total number of images in the presentation // Retrieve objects for further manipulation or information extraction var slideObject = pres.slides.get(0); // Object of the first slide var mastersSlideObject = pres.masters.get(0); // Object of the first master slide // Log the total number of slides to the console console.log("countSlides:" + countSlides); console.log("countMastersSlides:" + countMastersSlides); console.log("countLayoutSlides:" + countLayoutSlides); console.log("firstSlideNumber:" + firstSlideNumber); console.log("lastView=" + lastView); console.log("masterThemeName:" + masterThemeName); console.log("sourceFormat:" + sourceFormat); console.log("countVideos:" + countVideos); console.log("countImages:" + countImages); } finally { if (pres != null) pres.dispose(); }