Tech Reference

How to change the size of the Dock on your Mac computer in 2 ways, along with its position and behavior

Macbook Air
It only takes a few clicks to change the Dock size on a Mac. Hollis Johnson/Business Insider
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The Dock is an integral part of your Mac computer's interface. So naturally, you might want to customize the all-important Dock so it looks exactly how you want.

The good news is that Apple lets you do just that.

Here's how you can change the Dock's size — and other settings — via System Preferences, or with a few simple clicks on the Dock itself. 

How to change Dock size on Mac via System Preferences

1. In the top-left corner of your Mac's screen, click the Apple icon and then select "System Preferences..."

1   How to change dock size on Mac
System Preferences can be easily found via the Apple icon.  Emma Witman/Business Insider

2. Find and select "Dock" from the listed icons.

3. Use the slider next to "Size" to adjust the size of the Dock.

While in the Dock settings, you can also modify the magnification of the Docked icons when you hover your cursor over them, and the Dock's location on your screen.

3   How to change dock size on Mac
Other preferences are housed in the Dock settings window, including the effect you prefer when minimizing windows.  Emma Witman/Business Insider

How to change the Dock's size manually by clicking it

1. Find and hover your cursor over one of the vertical black lines located in your Dock. While clicking and holding the icon, drag your mouse up or down to grow or shrink the Dock, respectively.

You can also right-click on the vertical line icon to access other Dock settings, like magnification or screen location. You can also set the Dock to hide when you're not using it.

5   How to change dock size on Mac
Selecting "Dock Preferences" will open the previous System Preferences menu.  Emma Witman/Business Insider

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Emma Witman is an Asheville, NC-based freelance journalist with a keen interest in writing about hardware, PC gaming, politics, and personal finance. She is a former crime reporter for a daily newspaper, and has also written extensively about bartending for Insider. She may or may not judge your drink order when behind the bar. Follow her on Twitter at @emwity.