How to change the editor font size using a keyboard shortcut?

Question

How can a keyboard shortcut be assigned to change the font size in the editor within IntelliJ IDEA?

Answer

To change the default behavior and assign a keyboard shortcut for adjusting font size in the IntelliJ IDEA editor, follow these steps:

1. Open IntelliJ IDEA.
2. Navigate to File | Settings | Keymap (or IntelliJ IDEA | Preferences | Keymap on macOS).
3. In the Keymap, search for "Font Size" or related actions like "Increase Font Size" and "Decrease Font Size."
4. Right-click on the action and select Add Keyboard Shortcut.
5. Press the new key combination to assign the desired shortcut.
6. Confirm the changes by selecting OK.

See also

For further assistance, refer to the official Keymap settings documentation.