Node.js API to Create, Edit & Convert PowerPoint Presentations

Getting Started with Aspose.Slides for Node.js via .NET

The recommend way to install Aspose.Slides for Node.js via .NET is using npm. Please use the following command for a smooth installation.

npm install aspose.slides.via.net

Create New Presentations(PPT, PPTX) inside Node.js

With Aspose.Slides for Node.js via .NET, software developers can programmatically generate new PowerPoint presentations from scratch with just a couple of lines of code inside Node.js environment. This feature allows for dynamic content generation and customization. Moreover, developers can also modify existing PowerPoint presentations by adding, removing, or updating slides, shapes, text, images, and many more. The following example shows how developers can generate new PPTX presentation inside their Node.js applications.

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();
}

Convert PowerPoint Presentation to PDF in Node.js

Aspose.Slides for Node.js via .NET has included a powerful set of features for converting PowerPoint Presentation to other supported file formats inside Node.js environment. The API enables software developers to convert PowerPoint (PPT, PPTX) presentations to various popular file formats such as PDF, images (PNG, JPEG, TIFF, etc.), HTML, and many more. The following example demonstrates how to convert a PowerPoint presentation to a PDF document inside Node.js applications.

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();
}

Manipulate Existing PowerPoint Presentations

Aspose.Slides for Node.js via .NET is a robust and feature-rich API that provides extensive functionalities to work with PowerPoint presentations programmatically. It allows software developers to load and modify existing PowerPoint presentations inside Node.js applications. There are several important features part of the API, such as adding, removing, or updating slides, shapes, text, images, and so on. The following example shows how developers can load an existing presentation and apply various properties inside Node.js environment.

// Open an existing presentation
using (Presentation presentation = new Presentation("existing_presentation.pptx"))
{
    // Access slides and shapes
    ISlide slide = presentation.Slides[0];
    IAutoShape shape = slide.Shapes[0];
    
    // Modify content
    shape.TextFrame.Text = "Updated Text";
    
    // Save changes
    presentation.Save("updated_presentation.pptx", SaveFormat.Pptx);
}

Add & Format Text/Images to Presentation in Node.js

Aspose.Slides for Node.js via .NET has provided complete support for adding and managing text and images inside PowerPoint presentation in Node.js environment. Software developers can add text to slides and customize its formatting, including font size, color, style, alignment, bullet points, and more. Moreover, it enables software developers to add, remove, and customize shapes (such as rectangles, circles, lines) and images on slides with ease. The following example demonstrates how to add and format text on slide inside Node.js application. 

// Add text to a slide
ISlide slide = presentation.Slides[0];
ITextFrame textFrame = slide.Shapes.AddTextFrame("Hello, World!");

// Format text
textFrame.Paragraphs[0].Portions[0].FontHeight = 24;
textFrame.Paragraphs[0].Portions[0].FontBold = true;
textFrame.Paragraphs[0].Portions[0].FontColor.Color = Color.Red;