This article explains how to install, use, and manage Safari extensions. The instructions in this article apply to Safari 9 and later.
How to Add or Remove Safari Extensions on iPhone
Installing Safari extensions is a simple process. You can find a selection within Safari itself.
Open Safari and select Safari Extensions from the Safari menu.
The App Store opens to the Safari Extensions section. Scroll to find an extension you want to add. Downloading extensions is the same as buying anything else from the Mac App Store.
