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@olssonm
Last active June 8, 2024 18:02
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Disable resizing of the macOS dock
defaults write com.apple.dock size-immutable -bool true; killall Dock
@dislick
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dislick commented Mar 8, 2020

Thank you, I was going crazy!

@jameynakama
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This doesn't work. It only disables the ability to change the size in preferences. It still resizes itself depending on how many apps are open.

@olssonm
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olssonm commented Jul 15, 2020

@jameydeorio – You're thinking of another type of resize. What this does is to disable the resizing of the Dock and icons by for example pulling in the divider (i.e. between apps and folder) in the Dock.

Disabling horizontal resizing regardless off the number of apps as you're talking about is as far as I know not possible in macOS.

@jameynakama
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I realized this after I commented. BUT, I also figured out if you [x] Minimize windows into application icon, it does what I've been looking for for ages :)

@marcosatanaka
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Another useful setting is to lock the icon sizes, so that the Dock is always the same height:

defaults write com.apple.dock tilesize -int 60; killall Dock

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ghost commented May 12, 2021

update for 2020:

defaults write com.apple.dock size-immutable -bool true; killall Dock

how do I undo this

@olssonm
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olssonm commented May 12, 2021

@Supaflowin

defaults write com.apple.dock size-immutable -bool false; killall Dock

@gunter423
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OMG THANK YOU

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