Change font sizes within the Fonts window on Mac

In an app on your Mac, choose Format > Show Fonts or Format > Font > Show Fonts.

In the Fonts window, click the Action pop-up menu , choose Edit Sizes, then do any of the following:

• Add a font size: Type a new size, then click the Add button .

• Change the values on the slider: Type new values in the Max. and Min. fields.

• Remove a font size: Select it in the list, then click the Remove button .

• Restore the original values: Click Reset Sizes.

Click Done.