Convert PowerPoint presentation to POTX

Convert one or multiple presentations to POTX format using our free, fast and secure API and SDK.

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FormFile[] documents
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Fast and Easy

Our API is designed to be as fast and easy to use as possible. With just a few lines of code, you can process your PowerPoint presentations.


Our API is secure and we don't store any of your files on our side. Once you've processed your presentation, the file is deleted immediately.

Free to Use

Our PowerPoint presentation API is completely free to use and does not require any registration. This means that you can start using our API immediately, without having to create an account or provide any personal information.


On this page, you can build and execute a Rest API request using Aspose.Dev Slides API. As well you can find source code generated automatically based on chosen parameters. Just install Aspose.Dev Slides SDK in your app, copy and paste generated source code. You can find ready-to-use examples for curl, C#, PHP, Java, Python, Go, and Ruby.

How To Use
Upload files and set parameters
Upload files and set required parameters. Set additional parameters if available.
Execute request
Click the POST button. The result file will be downloaded automatically.
Use auto-generated code
Copy and paste auto-generated source code into your app. Install Aspose.Dev Slides SDK if needed.
Input file format
The API method can accept any PowerPoint presentation file format as an input. This includes but is not limited to, PPTX, PPT, PPS, PPSX, POTM, POTX, and POT.
Output file format
If the output format assumes multiple files as a result, such as when splitting a presentation or converting to images, then a ZIP archive will be returned. Otherwise, a single file in the specified format will be returned. Some methods return JSON response.
Some methods allow you to customize the output result by providing additional settings as a part of a JSON object.
In addition to our API, we also offer a variety of SDKs that allow you to integrate the service capabilities into your own applications and call API methods with a couple of lines.

Why PowerPoint Presentation API?

PowerPoint is a popular software used by businesses and individuals around the world to create engaging and informative presentations. However, sometimes you may need to manipulate your PowerPoint presentations in ways that are not possible with the built-in features of the software. This is where our REST API comes in. Our REST API provides a comprehensive set of tools for manipulating PowerPoint presentations using cloud technologies.