# Convert PPSX to PPTX in Node.js

> Convert PPSX to PPTX in Node.js. Use the Node.js API to convert PPSX files to PPTX files.

Source: https://products.aspose.com/slides/nodejs-java/conversion/ppsx-to-pptx/
Updated: 2026-07-14



## Convert PPSX to PPTX in Node.js

[**Aspose.Slides for Node.js via Java**](/slides/nodejs-java/) lets developers create, read, edit, and convert presentation files in Node.js applications. You can load a `PPSX` file with the `Presentation` class and export it to a `PPTX` file by using the presentation API.

## Convert PPSX to PPTX using Node.js

To convert `PPSX` to `PPTX`, create a `Presentation` from the source file and export it to a `PPTX` file.

### Node.js code to convert PPSX to PPTX

```javascript
const presentation = new aspose.slides.Presentation("sourceFile.ppsx");
try {
    presentation.save("output.pptx", aspose.slides.SaveFormat.Pptx);
}
finally {
    presentation.dispose();
}
```

## How to convert PPSX to PPTX using Aspose.Slides for Node.js via Java API

To convert PPSX to PPTX using Aspose.Slides for Node.js via Java, import the package, load the source file, and export it in the required format.

Install [**Aspose.Slides for Node.js via Java**](/slides/nodejs-java/).

Import the `aspose.slides.via.java` package in your Node.js project.

Load the source `PPSX` file with the `Presentation` class.

Call the `save` method with the output file path and `SaveFormat.Pptx`.

## Convert PPSX to Other Supported Formats

- [PPSX TO PPT](/slides/nodejs-java/conversion/ppsx-to-ppt/)
- [PPSX TO PDF](/slides/nodejs-java/conversion/ppsx-to-pdf/)
- [PPSX TO HTML](/slides/nodejs-java/conversion/ppsx-to-html/)
- [PPSX TO PNG](/slides/nodejs-java/conversion/ppsx-to-png/)
- [PPSX TO BMP](/slides/nodejs-java/conversion/ppsx-to-bmp/)
- [PPSX TO JPG](/slides/nodejs-java/conversion/ppsx-to-jpg/)
- [PPSX TO FODP](/slides/nodejs-java/conversion/ppsx-to-fodp/)
- [PPSX TO GIF](/slides/nodejs-java/conversion/ppsx-to-gif/)
- [PPSX TO ODP](/slides/nodejs-java/conversion/ppsx-to-odp/)
- [PPSX TO OTP](/slides/nodejs-java/conversion/ppsx-to-otp/)
- [PPSX TO POT](/slides/nodejs-java/conversion/ppsx-to-pot/)
- [PPSX TO POTM](/slides/nodejs-java/conversion/ppsx-to-potm/)
- [PPSX TO POTX](/slides/nodejs-java/conversion/ppsx-to-potx/)
- [PPSX TO PPS](/slides/nodejs-java/conversion/ppsx-to-pps/)
- [PPSX TO PPSM](/slides/nodejs-java/conversion/ppsx-to-ppsm/)
- [PPSX TO PPTM](/slides/nodejs-java/conversion/ppsx-to-pptm/)
- [PPSX TO SVG](/slides/nodejs-java/conversion/ppsx-to-svg/)
- [PPSX TO TIFF](/slides/nodejs-java/conversion/ppsx-to-tiff/)