Home » Tip of The Day » Change Baseline Shift Keyboard ShortcutChange Baseline Shift Keyboard Shortcut March 31, 2016. Posted in: Tip Of The Day. When using the Type tool, press Alt (Mac: Option) Shift ↑ (up arrow) or ↓ (down arrow) to increase/decrease the baseline shift. « Previous Photoshop Tip: | Next Photoshop Tip: » Sign-up for the PTC Newsletter so that you'll never miss a tutorial!. Your Email Address: