Groupdocs logo
  1. GroupDocs Products
  2. Conversion App
  3. Convert PPT to PPTX

PPT to PPTX converter

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

Powered by groupdocs.com and groupdocs.cloud.

By uploading your files or using our service you agree with our Terms of Service and Privacy Policy.

We have already processed 4,746,089 files with total size of 7,374,667 Mbytes

About Conversion app

Convert PPT files online instantly, no sign-up required. You can convert your PPT documents on any platform—Windows, Linux, or macOS. Upload your file, choose the output format, and press convert. When the process is done, your PPTX file will be ready for download.

The PPT file's size and structure affect conversion time, though most files are processed in seconds. Advanced features allow you to convert password-protected documents and receive conversion results via email.

No matter where you are, convert your PPT documents seamlessly on any device, including smartphones. Available online anytime, this conversion app is completely free for basic scenarios.

Check our video
PPT

PowerPoint Presentation

The PowerPoint Presentation (PPT) file format is a widely used file type for creating and sharing slide-based presentations, developed by Microsoft. It is supported by Microsoft PowerPoint, as well as other applications like Google Slides, Apple Keynote, and LibreOffice Impress, enabling cross-platform compatibility. The format stores slides containing text, images, animations, and multimedia, with advanced features like transitions, embedded objects, and macros for enhanced interactivity and design.

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.

Api cloud icon

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.

Learn more
How it works

How to convert PPT to PPTX

Step 1
Click inside the file drop area to upload PPT file or drag & drop PPT file.
Step 2
Click on Convert button. Your PPT 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 PPT into many other file formats. Please see the complete list below.

© Aspose Pty Ltd 2001-2025. All Rights Reserved.
More apps

Upgrade to Premium

The application usage limit reached.
Upgrade for extended access, starting at $4/month.
Upgrade Learn more