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PPTX to PPSX converter

Convert PPTX to PPSX online from any device with a free converter.

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About Presentation converter

Convert PPTX to PPSX files online with our free presentation converter app. No matter your platform — Windows 10, Mac, Android or iPhone — you can convert PPTX files without losing quality.

Popular presentation file formats and apps help users create and share visual content. PPTX, used by Microsoft PowerPoint, supports text, images, and animations. Google Slides is web-based and allows real-time collaboration, often exported as PPTX or PDF. Apple Keynote uses the KEY format and is known for smooth visuals. PDF is also common for sharing presentations in a fixed layout.

Simply change PPTX to PPSX by uploading your file, choosing a target format, and clicking Convert. Your file will be ready to download in seconds, no registration required.

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PPTX

PowerPoint Open XML Presentation

PPTX is a file format used for creating and sharing presentations, developed by Microsoft as part of the Office Open XML specification. It is primarily used in Microsoft PowerPoint but is also supported by other presentation software like LibreOffice, Google Slides, and Apple Keynote. The format stores data in a compressed ZIP archive containing XML files for slides, media, and metadata, enabling advanced features like animations, transitions, and embedded multimedia.

PPSX

PowerPoint Open XML Slide Show

PPSX is a file format used for PowerPoint slide shows, based on the Open XML standard, allowing for the presentation of slides in a read-only mode. It can be opened and viewed using Microsoft PowerPoint, PowerPoint Viewer, and other compatible presentation software, ensuring accessibility across platforms. The format stores slides, media, and animations in a compressed, XML-based structure, supporting advanced features like embedded multimedia, transitions, and interactive elements while maintaining a smaller file size compared to traditional PPT formats.

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APIs available

Convert popular document and image file formats in your app. The GroupDocs.Conversion APIs are available for .NET, Java, and many other platforms and languages.

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How it works

How to convert PPTX to PPSX

Step 1
Click inside the file drop area to upload PPTX file or drag & drop PPTX file.
Step 2
Click on Convert button. Your PPTX files will be uploaded and converted to PPSX result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the PPSX file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert PPTX into many other file formats. Please see the complete list below.

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