# Convert PPTX to POTX in Node.js

> Convert PPTX to POTX in Node.js. Use a Node.js library API to convert PPTX files to POTX files.

Source: https://products.aspose.com/slides/nodejs-java/conversion/pptx-to-potx/
Updated: 2026-07-16



## Convert PPTX to POTX 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 `PPTX` file with the `Presentation` class and export it to a `POTX` file by using the presentation API.

## Convert PPTX to POTX using Node.js

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

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

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

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

To convert PPTX to POTX 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 `PPTX` file with the `Presentation` class.

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

## Convert PPTX to Other Supported Formats

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