How to Change Screen Size on Mac with Keyboard: A Quick Guide

• November 28,2024

MacOS users who enjoy keyboard shortcuts will be delighted to learn that there are basic and easy keyboard solutions for changing the size of your screen, as well as the zoom and screen resolution of your screen. Screen zooming is an amazing feature to tweak when it comes to multitasking, sharing a content or when you need to get a better look at something. In this guide, we’ve provided instructions on how to change screen size and resolution on a Mac and several other tips for maximizing your workspace more effectively.

1. Take a closer look at the Zoom In and Out through Keyboard Shortcuts in a better understanding

On a Mac it is easy to zoom in and out of content and for this, many keyboard shortcuts are available since there are circumstances when you need to zoom in to see the details on the computer screen better.

Option 1: Expand the options with Accessibility Shortcuts
In macOS the option in settings provides ways to zoom into a particular area of the screen. To enable this feature, follow these steps:

Move to System Preferences (for macOS versions up to 10.13 called System Preferences).

Select Accessibility
Here, in the Accessibility setting, go to Zoom and make sure, that the use keyboard shortcuts to zoom option is checked.
Once enabled, you can use the following shortcuts:

Zoom In:Boarde Option + Command + = (equal sign)
Zoom Out: Type Press Option + Command + -.

These shortcuts apply to all applications and are particularly useful in case one needs to focus on a particular element within graphics, charts, text documents, parts of Web page, etc.

Option 2: Toggle Full-Screen Zoom
For a more immersive zoom, macOS offers full-screen zoom, allowing you to magnify the entire screen instead of just parts of it:
Toggle Full-Screen Zoom: Control + Option + 8 (zoom on and off).

When enabled you can zoom with keys Option + Command + = and Option + Command + – as well. To come back from the zoomed view, just press Control + Option + 8 once again.

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2. Browser specific zoom shortcuts for browsing Applying

While surfing the web, the macOS offers multiple simple tools that allow for setting the zoom level directly from the browser window.

Safari Browser
If you’re using Safari, here’s how to adjust the zoom level:
Zoom In: Press Command + + (plus sign).
Zoom Out: Hot Keys Control left mouse button Press Command + - (minus sign).
Reset to Default: Press Command + 0.

The above shortcuts can be applied to other mainstream browsers including Google Chrome and Firefox, whereby one can easily edit the content size request without incurring the system resolution.

3. Switching Display Resolution with System Settings

If you want to adjust the entire screen resolution (making everything on your display larger or smaller), macOS provides a quick way to access Display settings:

Open Display Preferences: If you are using a Mac with a single display, right click on it and click System Settings > Display (or System Preferences > Displays on some versions of macOS).
Adjust Resolution: Other available for macOS resolutions are Default for Display (recommended option) and Scaled. Squashed – it shrinks the panorama width to fit smaller width while Scaled allows you to view several resolution options that change the entire display size and density.

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4. This five-point plan describes how you can switch between open applications and windows with the keyboard, and thereby avoid reaching for the mouse.

For the Mac users with multiple windows opened the movement from one application to another also makes it look as if the screen has changed its size as one application occupies the screen. Use these shortcuts to cycle between apps and manage screen space effectively:

Switch between open apps: Command + Tab helps you to swipe through different apps.
Cycle backward: Use keyboard shortcut of pressing the control button, the shift button and tab button simultaneously to switch backward through opened applications.

With these gestures, you can easily work with the screen either by bringing attention to a single app or seamlessly transitioning between fullscreen applications without employing mouse dragging to resize windows.

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5. How to switch to and out of Full-Screen Mode in Mac OS X

There are so many advantages offered by full-screen mode to make content easier to view, as it occupies the entire screen. You can enter or exit full-screen mode with a quick keyboard shortcut.

Enter Full Screen: Control + Command + F allows you to toggle full-screen mode in most applications on Mac.
Exit Full Screen: Use Control + Command + F again, or press the Escape (Esc) key.

Wrapping Up
Changing screen size on a Mac with keyboard shortcuts offers a convenient and efficient way to control your display without always needing to dive into settings. Whether you’re zooming into specific areas, adjusting browser content, switching apps in full screen, or configuring multiple displays, macOS offers user-friendly shortcuts to make screen management smooth and accessible. Try out these tips to enhance your Mac experience and make the most of your screen space.