Google Chrome supports zoom feature since 2.0. Use zoom options to make everything on a webpage larger or smaller. The easiest way is pressing the keyboard shortcuts (Windows): Ctrl + + (Larger), Ctrl + - (Smaller) or Ctrl + 0 (Normal). you can also follow these steps:
1. Click the Page menu in Chrome.
2. Select Zoom.
3. Select Larger or Smaller as necessary. To see the page in its original layout, select Normal.
If you want to change the default font size, please follow these steps:
How to zoom in Chrome