How to change the toolbar and icons scale in IntelliJ IDEA?

Question

It seems to me that in my IDE everything is too petty. I would like there to be a font about the same as inside the editor. How can I do it?

And how can I i

Answer 1

IntelliJ IDEA user interface/icons are scaled automatically depending on the system DPI/scaling settings.

You can try to override it in Help | Edit Custom VM Options (effective after IDE restart):

-Dide.ui.scale=1.5

Menu/toolbar font/size can be overridden in the IDE Appearance settings:

More details can be found in this document.