When viewing a webpage in the Safari web browser for Mac, the text and screen content may be too small to view comfortably, especially if you're using a laptop with a small screen. In other situations, the screen content may be too large.
How to Change Text Size in Safari on Mac, iPhone, or iPad
Safari lets you easily change the font size and zoom level of web pages, so you can view web pages comfortably.
To make the text larger or smaller, adjust the font size of the web page.
Open the Safari browser on your Mac and go to a webpage.