# Change macOS Dock icon size
Set the icon size of Dock items in pixels.
- Tested on macOS:
- Monterey
- Big Sur
- Catalina
- Parameter type: int
# Set to 36
Dock icon size of 36 pixels.
defaults write com.apple.dock "tilesize" -int "36" && killall Dock
# Set to 48
(default value)
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 value
defaults delete com.apple.dock "tilesize" && killall Dock