You can switch to full screen mode in Chrome browser anytime by pressing the F11 key in Windows. In Mac OS X you can use “Shift+CMD+F” key to switch to full screen mode. However switching back to normal mode in MAC is not simple.
In Mac computer, press the “Shift+CMD+F” keys to toggle between full screen and normal mode. However in Windows you can use the F11 key to toggle between the two modes.
In Mac computer, you can also place your mouse at the top of the screen, a menu bar will appear and you can go to View –> Exit full screen to exit the full screen mode.