Updated, Spring 2020
Maximize to Full Screen
While Apple offers “Full-screen” mode in Safari with macOS, it’s still not easy to “maximize” the browser window in regular screen mode. Here are some resources that help with that.
Recommendation for Safari 13+: Magnet App
Magnet is a Window Manager app for macOS, that has the added benefit of including a shortcut that can “Maximize” any standard Mac window – this includes Safari. So, if you are willing to pay a small amount of money, you’ll get a cool all around app too. It’s simple and easy to use, available via the Mac App Store, and is currently maintained by the developer:
Magnet – keeps your workspace organized
Activated by dragging, customizable keyboard shortcuts or via Menu bar, Magnet declutters your screen by snapping windows into organized tiles. Drag a window to the top edge of your screen to maximize it.
Other Similar Apps
Divvy – cross-platform window manager
Divvy is an entirely new way of managing your workspace. It allows you to quickly and efficiently “divvy up” your screen into exact portions including full screen. It’s notably more expensive than Magnet.
Cinch – simple window manager
Cinch allows you to precisely resize a window simply by dragging to the left, right, or top screen edge. It’s a bit more expensive than Magnet.
BetterSnapTool – manage window positions
BetterSnapTool allows you to easily manage your window positions and sizes by either dragging them to one of the screen’s corners or to the top, left or right side of the screen. It’s the least expensive of the paid options.
Rectangle – open source window manager
Similar to Magnet, Rectangle is free and open source. Move and resize windows in macOS using keyboard shortcuts or snap areas.
Veer – a lightweight window manager
Veer is a free window manager with full screen options. It’s a ‘side project’ maintained by an in indie developer.
A free website that offers multiple presets, along with a custom size feature, that will trigger the resizing of your browser window(s).
Other Types of Extensions for Safari 13+
Apple features other helpful extension in their Safari Extensions Category in the macOS App Store.
Legacy Browser Extensions for Safari 12 and lower
Resize Window adds a single button to your Safari toolbar that will resize your browser window to a specific size with a single click. Maximize or select from a myriad of preset pixel sizes.
This extension adds a toolbar that allows you to resize the Safari window to six different sizes, including full screen.
The ResponsiveResize Safari Extension lets you resize the browser window with pixel precision as an aid to building responsive websites.
Looking for “Full Screen” & maximizing web browser alternatives to Safari?
You may wish to consider one of these other free Mac browsers that are similar to Safari but offer native maximize capability.
To maximize: hold down Shift+Option+CMD and click the green “+” icon in upper left of browser window:
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