Change macOS Dock icon size

1 min read

Set to an integer value (default is 64)

Dock icon size of 32 pixels.

defaults write com.apple.dock "tilesize" -int "32" && killall Dock

Dock icon size of 48 pixels.

defaults write com.apple.dock "tilesize" -int "48" && killall Dock

Read current value

defaults read com.apple.dock "tilesize"

Reset to default

defaults delete com.apple.dock "tilesize" && killall Dock
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