How to increase menu and tab font size in IntelliJ JetBrains PyCharm, PhpStorm, RubyMine

Question

I understand how to increase the font size within an editor tab, but I'd like to increase the font size of the main navigation menu and most importantly, the tab titles. These do not change when I zoom in or out of an editor tab (using Cmd + mouse wheel on OSX). I do not see anything in the preferences menus.

Answer 1

1. Settings/Preferences
2. Appearance & Behavior | Appearance
3. Enable Use custom font option -- it will allow to change font used for GUI as well override its size.

In prior IDE versions (2018.2 and older) that option was named Override default fonts by:

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P.S. The latest 2023.1 version can now zoom the whole thing at once (editor and interface fonts as well as GUI elements): View | Appearance | Zoom IDE.

https://blog.jetbrains.com/idea/2023/03/intellij-idea-2023-1/#Userexperience

In v2023.1 it’s possible to zoom into and out of IntelliJ IDEA entirely, increasing or decreasing the size of all UI elements at once.