How to increase fonts in all UI elements in IntelliJ IDEA?

Solution 1:

It's possible to override font/size for the UI here (editor font is configured elsewhere):

Solution 2:

Follow these three steps to change all fonts in the IDE (including project tree and console):

1)

Perform a search based on fonts in the settings menu:

2)

3)

Solution 3:

As of version 2020.3 the UI looks like this:

1. Press Ctrl + Alt + S
2. Settings:

Solution 4:

I'm now using Intellij 2019.12.3, and the answer should be:

Preferences -> Appearance & Behaviors -> Appearance -> Use custom font

Solution 5:

This seems to have an answer to a similar question: Is it possible to change the font size of the project panel?

You could also try changing your system font and see if Intellij picks that up. Might only work for the menus though and if you are using the system theme like GTK+ on Linux.