Click the menu button on the right. The customization menu will open and you will see the zoom controls at the top. Use the + button to zoom in, and the - button to zoom out. The number in the middle is the current zoom level - click it to reset the zoom to 100%.How do you zoom in and out on a Chromebook?
Here’s how to find it. Go to Settings > Show Advanced Settings > Accessibility Check the box next to Enable Screen Magnifier Hold down Ctrl and Alt, then use the brightness up and down keys to zoom in and out. Alternatively, you can hold down the Ctrl & Alt keys and then scroll with two fingers on your trackpad to zoom in and out.