How to add space separators between icons in macOS DOCK?

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You can customize your macOS Dock by adding invisible spacer icons to organize apps. Here’s how to do it using Terminal commands:

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Method 1: Adding a Small Spacer

This adds a flexible, small gap between Dock icons.

1. Open Terminal (⌘ + Space → Type Terminal → Enter).
2. Paste & run this command:

defaults write com.apple.dock persistent-apps -array-add '{"tile-type"="small-spacer-tile";}'

3. Restart the Dock to apply changes:

killall Dock

Here is a video that describes the steps to add spaces between icons on macOS Dock:

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Method 2: Adding a Large Spacer

This adds a bigger, fixed-width gap (like a divider).

1. Run this in Terminal:

defaults write com.apple.dock persistent-apps -array-add '{"tile-type"="spacer-tile";}'

2. Restart Dock:

killall Dock

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How to Remove Spacers from your Dock ?

• Drag the spacer out of the Dock (it will disappear with a puff animation).
• OR reset the Dock to default (removes all spacers):

defaults delete com.apple.dock persistent-apps
killall Dock

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