Why is Keynote not exporting drop shadows/glows in PNG or JPEG?

Hello,

I’m creating YouTube thumbnails in Keynote (Mac, latest version). On the canvas, my text has a clear drop shadow/glow effect (blur + color). But when I export the slide as PNG or JPEG, the effect disappears or becomes almost invisible.

Things I tried:

  • Exporting both PNG and JPEG (no quality options for PNG).
  • Adjusting shadow blur, opacity, and offset.
  • Centering the shadow to simulate an outer glow.
  • Checking on different backgrounds.

In Keynote, the glow looks perfect, but the exported image doesn’t keep it. Is this a known bug? Any workaround or settings I’m missing to preserve shadows/glows in exports?

As you can see in attached images, there is no drop shadow around SUNSET MEDITATION title.

Thanks in advance for any advice!


[Edited by Moderator]

MacBook Pro 14″, macOS 15.6

Posted on Sep 10, 2025 06:14 AM

Reply
1 reply

Sep 12, 2025 10:40 AM in response to IgorShanghai

I just tried this OMM (MacOS 26/Keynote 14.4) and can't reproduce the problem. Both JPEG and PNG images show the text effects as expected.


That leads me to think there's something specific about the slide itself.

I only tried a single text block, on a single slide in a new presentation - if you do that, does it work? It may be a case of simplifying until you find what triggers the problem.

Why is Keynote not exporting drop shadows/glows in PNG or JPEG?

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