Dynamically Generate PowerPoint Presentations Using PptxGenJS

PowerPoint presentations are an essential medium for conveying information and creating impactful visual presentations. However, making and modifying PowerPoints can become a tedious, time-consuming and repetitive task. With pptxgenjs, an innovative JavaScript library, you can programmatically generate PowerPoint presentations with ease.

What is pptxgenjs?

Pptxgenjs is an open-source library that provides an easy-to-use interface for creating and customizing PowerPoint presentations using JavaScript. Pptxgenjs is built with simplicity and flexibility in mind, this library allows developers to dynamically generate high-quality presentations, offering a wide array of features and customization options.

Key Features

  • pptxgenjs uses a simple API allowing presentations to be created with ease. For, just a few lines of code can generate slides, add text, images, shapes, charts, tables, and more.
  • Wide range of customization: Pptxgenjs provides many customization options, allowing you to control the style and formatting of your presentation. Customize the fonts, colors, backgrounds, and transitions to match your brand or presentation theme.
  • Dynamic data incorporation: Pptxgenjs makes it practically effortless to incorporate dynamic data into your presentations. Fetch data from APIs, databases, or any other source and populate your tables, charts and graphs with real-time data.
  • Cross-platform compatibility: The generated PowerPoints are compatible with many platforms, including Windows, macOS, and Linux. You

Getting Started/ Example

1 . Install pptxgenjs using npm or include the library directly in your HTML file.
2. Import the library into your script.

Using npm:
  import pptxgen from 'pptxgenjs';
Or directly in HTML:
<script src="path/to/pptxgen.js"></script>
    3. Create a presentation object, add slides, and customize them as needed.
let pptx = new pptxgen();
let pptTitle = this.getpptTitle(settings);
let date: string = this.getCurrentDate();
pptx.layout = "LAYOUT_WIDE";
      title: "MASTER_SLIDE",
      background: { data: betterPlantsPPTimg.betterPlantsSlide },
      margin: 0.0
let slide1 = pptx.addSlide();
slide1.background = { data: betterPlantsPPTimg.betterPlantsTitleSlide };
slide1.addText( pptTitle, {
       x: 0.3, 
      y: 2.1,
      w: 5.73,
      h: 1.21, 
      align: 'center', 
      bold: true, 
      color: '1D428A', 
      fontSize: 26, 
      fontFace: 'Arial (Headings)', 
      valign: 'middle', 
      isTextBox: true, 
      autoFit: true 
slide1.addText(date, { 
      x: 0.3, 
      y: 4.19, 
      w: 4.34, 
      h: 0.74, 
      align: 'left', 
      color: '8B93B1', 
      fontSize: 20, 
      fontFace: 'Arial (Body)', 
      valign: 'top', 
      isTextBox: true, 
      autoFit: true 
    4. Save the presentation.
pptx.writeFile({ fileName: this.fileName + '.pptx' });

The code snippets from above come from the source code of Oak Ridge National Laboratory’s (ORNL) app Manufacturing Energy Assessment Software for Utility Reduction (MEASUR), which can be found at ORNL’s GitHub repository. MEASUR is an open-sourced software suite for increasing the understanding of energy use and potential savings opportunities for industrial and commercial equipment. To learn more, visit MEASUR.ornl.gov.
MEAUSR uses pptxgenjs to generate a PowerPoint presentation of the Treasure Hunt report,
And the lines of code used in the example above produce the title slide of the PowerPoint presentation, as shown below:


With pptxgenjs, MEASUR is savings its users’ hours of work by dynamically generating a PowerPoint report for them, and pptxgenjs can do the same for you. Whether you need to create sales reports, data visualizations, or educational content, this library simplifies the process and offers unmatched flexibility. Try out pptxgenjs and take your presentations to the next level.

To learn more about pptxgenjs and explore its documentation and examples, visit the official GitHub repository: GitHub repository.

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