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PowerPoint Accessibility Checker

Find the most common problems that make slides hard to use with a screen reader or hard to read.

Runs in your browser · No uploads

Drag & drop a PowerPoint file here

or

PPTX, PPTM, PPSX or POTX (not the old .ppt format)

Your files stay on your device. Nothing is uploaded.

Checks slide titles, alternative text, table header rows, small text, empty slides and link text. Colour contrast and reading order are not checked. The file is only read: nothing in it is changed.

  • Nothing leaves your device
  • No server-imposed size limits
  • No sign-up, no watermark
  • Free

How to check a PowerPoint for accessibility

  1. Choose the presentation.
  2. Read the errors, warnings and tips, slide by slide.
  3. Fix them in PowerPoint and check again; download the results if you need a record.

What is checked

  • Every slide has a title, and titles are not empty or repeated.
  • Pictures, charts, SmartArt, embedded objects and videos have alternative text, unless they are marked as decorative.
  • Tables have a header row.
  • Text set smaller than 18 pt (only sizes set on the text itself, not sizes that come from the layout).
  • Slides with no text or pictures, link text that doesn't describe its destination, and a missing document title.

What isn't checked

  • Colour contrast, because it needs the slides drawn exactly as PowerPoint draws them.
  • Reading order: PowerPoint's own checker (Review › Check Accessibility) and the Selection Pane help with that.
  • Text inside pictures and captions in videos.
  • Whether alternative text is actually good: it should say what the picture shows or means.

Your presentation stays on your device

The file is read and changed in your browser. Nothing is uploaded, and this site's security policy blocks the page from sending files anywhere.

Frequently asked questions

Does passing this check make my presentation accessible?

No automatic check can promise that. It finds common, clear-cut problems; a person still needs to check contrast, reading order and whether the alt text is helpful.

Can I use an old .ppt file?

No. The old PowerPoint 97–2003 format (.ppt) is a different kind of file. Open it in PowerPoint, Keynote, Google Slides or LibreOffice Impress, save it as .pptx, then use that file. To just look at a .ppt, use the PowerPoint Viewer.

Is my presentation uploaded?

No. Everything happens in your browser, on your device.