Free Online PPTX Presentation Viewer App

Upload a PPTX file to view presentation slides as images.

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How to open a PPTX presentation using Aspose.Slides Viewer

How to open a PPTX presentation using Aspose.Slides Viewer

  1. Click Drop or upload your files.
  2. Select the PPTX presentation you want to open and view on your device.
  3. Wait for Aspose Viewer to process and open the file.

After uploading and opening your presentation, you can perform these tasks:

  • Zoom: zoom-in and zoom-out.
  • Navigate through its slides.
  • Use different modes: full-screen mode, slideshow mode, etc.
  • Download the file as a PowerPoint file, image, PDF, or in other formats.

Note: We delete all files from our servers after 24 hours. If you get a download link to share your presentation, the link will stop working after 24 hours.


Aspose PPTX Viewer App is a free and easy-to-use online presentation viewer or reader. You get to open your presentation from any computer (Windows, macOS) or smartphone (Android, iOS). Simply upload your file. No software installation is needed.

You can use the Viewer app to present your slides (or demonstrate a presentation) to people. If necessary, you can also share a temporary presentation (or slide) link with people. The PPTX Viewer app shows each slide of the presentation as an image, which is a convenient format that protects against editing and copying.

The PPTX Viewer App’s intuitive interface allows you to perform these basic tasks: navigate through slide pages, zoom into presentation slides, observe presentation slides in the navigation menu, download a full presentation in its original format or download presentation slides as images.

Other Aspose Apps you may want to try: Collage web app for making collages and merging JPG photos; Video web app for converting presentations to videos.

Read an article on opening or viewing presentations: How to Open and View Presentations Without PowerPoint or Office

Aspose.Slides for .NET

Aspose.Slides Viewer

  • PowerPoint Reader, PowerPoint Viewer, and PowerPoint Player in a single Aspose.Slides app.
  • Open PowerPoint file in any format: PPT or PPTX.
  • Use the free PowerPoint Web Viewer to open PPTX files.
  • Powerful PowerPoint Viewer is an alternative for Windows 10 PCs, Android smartphones, iPhones, and other devices.
  • PowerPoint Viewer for 64-bit or 32-bit systems.
  • PPTX Viewer supports .pptx file formats.
  • App includes PowerPoint Slide Viewer for all recent Microsoft PowerPoint editions: PowerPoint 2010, 2013, 2016, and 2019.
  • Use PowerPoint Viewer to demonstrate presentations at business meetings, public conferences, daily standups, online meetings, etc.


  1. How do I open a PPTX presentation online without PowerPoint?
    With Aspose’s free Presentation Viewer, you can open and view any presentation from any device or OS: Windows, macOS, Android, iOS, etc.
  2. Can I open my PowerPoint online?
    Yes. With this PPTX Viewer app, you can open the modern PowerPoint file (PPTX) online.
  3. What operations are available in the online Viewer?
    You can do many operations: Go into full-screen mode, use slides overview, specify an auto-play timer, and so on.
  4. Is PPT Presentation Viewer easy to use?
    Yes, the app is very easy to use. All you have to do is upload your presentation file to open or view it. You can then switch to full-screen mode, for example.
  5. Can I open my PowerPoint in my browser?
    Yes, you can. On the Aspose’ Viewer page, you just have to upload your presentation to open and see its contents.
  6. Can I convert PPTX to PPT?
    Yes. To do this, you can use our free online PPTX to PPT converter.
  7. Are there limits on uploaded files?
    For a single presentation, the maximum file size is 35 MB and the maximum number of slides is 50. If you must view a presentation that exceeds 35 MB or contains more than 50 slides, we recommend you use Aspose PowerPoint Splitter to divide the slides into multiple presentations. You can then load or open the presentations you obtained individually.
Fast and easy

Fast and Easy-To-Use Viewer

Upload your document. Navigate through the slides. Choose your preferred viewing mode.

Support for All Platforms

Use the Viewer app on any computer (Windows machine or mac) or smartphone (Android device or iPhone). All files are processed on our servers. You do not have to install any software or plug-in.
High quality

Viewer Quality

All files are processed using Aspose.Slides APIs, which are used in many Fortune 100 companies across 114 countries.

Other Supported Viewers

We provide viewers used to open many other file formats. Please, go through the list below.