JavaFX application on KDE Wayland - tiny

Chad Preisler chad.preisler at gmail.com
Fri Nov 21 17:15:15 UTC 2025


Hello,

When I run my JavaFX (using JFX25) application on KDE Plasma using Wayland
the fonts are incredibly small. How can I scale the application so that
things are not so tiny?

FYI: I had a similar issue with Netbeans. I know it's different because it
is Swing. I was able to get Netbeans to look good with the following
settings.

-J-Dsun.java2d.uiScale=2 -J-Dflatlaf.uiScale=0.75

Is there something similar I can do for JavaFX?

Thanks,
Chad
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