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Free online PPTX to XLTX conversion via nodejs

Use free online app or Nodejs SDK to convert between PPTX & XLTX as well as several popular formats from Microsoft® PowerPoint.

Nodejs Code for Converting PPTX to XLTX 

Converting PPTX to HTML
const fileName = "uploaded.PPTX";
const outPath = "uploaded.HTML";
const api = TestInitializer.getApi();
return api.copyFile("TempTests/" + fileName, folderName + "/" + fileName).then(() => {
    return api.savePresentation(fileName, model.ExportFormat.Pdf, outPath, null, "password", folderName).then((putResult) => {
        return api.objectExists(outPath).then((existsResult) => {
        });
    });
});

    // Converting HTML to XLTX
var req = new model.CellsWorkbook_PutConvertWorkbookRequest({
    workbook : fs.createReadStream(localPath  + filename + ".HTML"),
    format : "XLTX",
});

How to convert PPTX to XLTX online in Cloud Apps

  1. Initialize WordsApi and CellsApi with Client Id, Client Secret, Base URL & API version
  2. Set ConvertDocumentRequest with parameters local file name and format as HTML
  3. Call WordsApi convertDocument to convert PPTX document to HTML
  4. Initialize SaveOption from CellsAPI with parameters SaveFormat as XLTX
  5. Call cellsSaveAsPostDocumentSaveAs method to convert PPTX file to XLTX

Get Started with Aspose.Total REST APIs

  1. Create an account at Dashboard to get free API quota & authorization details
  2. Get Aspose.Words and Aspose.Cells Cloud SDKs for Nodejs source code from Aspose.Words GitHub and Aspose.Cells GitHub repos to compile/use the SDK yourself or head to the Releases for alternative download options.
  3. Also have a look at Swagger-based API Reference for Aspose.Words and Aspose.Cells to know more about the REST API.

How to Convert PowerPoint PPTX to other formats online

You can use Aspose.Slides to transform PPTX files into HTML format. Then, you can input the HTML files to any of the APIs in Aspose.Total, such as Aspose.Words, Aspose.Cells, Aspose.PDF, Aspose.Email, Aspose.Diagram, Aspose.Tasks, Aspose.3D, Aspose.HTML. This will allow you to output the files in hundred of different formats.

To see the full list of supported formats, please check the Aspose.Total Cloud page.

How to convert MS PowerPoint PPTX to Image formats

Aspose.Slides Cloud SDK produces few quick and easy ways to convert MS PowerPoint files to various image formats similar to what we have done above for XLTX: by direct REST API calls or using SDKs. There are multiple image formats accessible for converting PowerPoint slides with Aspose.Slides Cloud APIs - JPEG, PNG, BMP, GIF, and TIFF.

  1. Create SlidesApi class instance to convert PPTX document
  2. Call Convert method of SlidesApi class instance for conversion from PPTX and provide desired format as 2nd parameter.

How to Convert PPTX to PDF online

For PPTX to PDF, you need to go to the web page PPTX to PDF and upload the PPTX file from your device. Then, you need to click on the “Convert” button and wait for the conversion to finish. After that, you can download the PDF file to your device.

How to Convert Webpage to XLTX format

For Webpage to XLTX format conversion, you need to go to the website Webpage to XLTX and enter the URL of the webpage you want to convert in the input box. Then, you need to click on the “Convert” button and wait for the conversion to finish. After that, you can download the XLTX file to your device.

FAQ

  • What is PPTX Format?
    Files with PPTX extension are presentation files created with popular Microsoft PowerPoint application. Unlike the previous version of presentation file format PPT which was binary, the PPTX format is based on the Microsoft PowerPoint open XML presentation file format. A presentation file is a collection of slides where each slide can comprise of text, images, formatting, animations, and other media. These slides are presented to audience in the form of slideshows with custom presentation settings.
  • What is XLTX Format?
    Files with .xltx extension represent Microsoft Excel Template files that are based on the Office OpenXML file format specifications. It is used to create a standard template file that can be utilized to generate XLSX files that exhibit the same settings as specified in the XLTX file.
  • How can I get started with Aspose.Total REST APIs?
    Quickstart not only guides through the initialization of Aspose.Total Cloud API, it also helps in installing the required libraries.
  • Where can I see the release notes for Aspose.Total Cloud API?
    Complete release notes can be reviewed at Aspose.Total Cloud Documentation.
  • Is it safe to convert PPTX to XLTX in the Cloud?
    Of course! Aspose Cloud uses Amazon EC2 cloud servers that guarantee the security and resilience of the service. Please read more about Aspose's Security Practices.
  • What file formats are supported by Aspose.Total Cloud API?
    Aspose.Total Cloud can convert file formats from any product family to any other product family to PDF, DOCX, XPS, image(TIFF, JPEG, PNG BMP), MD and more. Checkout the complete list of supported file formats.
  • I can not find the SDK for my favorite language. What should I do?
    Aspose.Total Cloud is also available as a Docker Container. Try using it with cURL in case your required SDK is not available yet.