Updated June 12th, 2019.
You can zoom in and out on your Mac, making tiny type easy to read. Turning the feature on is a two-stepper:
1. Apple Menu/System Preferences/Accessibility
2. Click on Zoom, then check the box.
Now all you have to do is hold the Control key down while doing whatever it is you do to scroll (probably two fingers on the trackpad, or a swiping gesture on the mouse). You’ll turn this
Bigger is better.