PDF (adobe.com)

Keys for using the Brushes panel

Result

Windows

Mac OS

Delete brush

Alt-click brush

Option-click brush

Rename brush

Double-click brush

Double-click brush

Change brush size

Alt + right click + drag

Ctrl + Option + click-drag

Decrease/increase brush softness/hardness

Alt + Shift + right click + drag

Cmd + Ctrl + Option + click-drag

Select previous/next brush size

, (comma) or . (period)

, (comma) or . (period)

Select first/last brush

Shift + , (comma) or . (period)

Shift + , (comma) or . (period)

Display precise cross hair for brushes

Caps Lock or Shift + Caps Lock

Caps Lock

Toggle airbrush option

Shift + Alt + P

Shift + Option + P