Keyboard Shortcuts
Increase or decrease the size of a specific page: Ctrl +, Ctrl -, Ctrl 0 to reset
Increase or decrease the size of everything on the screen: Ctrl /Shift +, Ctrl/Shift -, Ctrl/Shift 0 to reset
Magnify the entire screen: Ctrl/Search (the magnifying glass icon key located just above your "Shift" key), M
Magnify part of the screen: Ctrl/Search, D
Touchpad
Use your thumb and finger (or two fingers) to pinch and zoom in and out on the active window.