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PPSX to PPTX converter

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

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About Presentation converter

Convert PPSX to PPTX files online with our free presentation converter app. No matter your platform — Windows 10, Mac, Android or iPhone — you can convert PPSX 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 PPSX to PPTX by uploading your file, choosing a target format, and clicking Convert. Your file will be ready to download in seconds, no registration required.

Check our video
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.

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.

Add the conversion API to your app

  • Convert over 200 file formats — including PDF, Word, Excel, HTML, images, and many more
  • Load files from disk, URLs, FTP servers, or cloud storage (such as Amazon S3 or Azure)
  • Customize output settings — rotate and reorder pages, add comments, or apply watermarks
How it works

How to convert PPSX to PPTX

Step 1
Click inside the file drop area to upload PPSX file or drag & drop PPSX file.
Step 2
Click on Convert button. Your PPSX files will be uploaded and converted to PPTX 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 PPTX file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

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

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