Change Mission Control Animation Speed

Changing the speed of Mission Control animations can make Mac OS X feel faster when switching between apps and spaces in this mode.


To implement this tweak:

  1. Start a new Terminal session (in Finder click Applications > Utilities > Terminal).

  2. To set this to Slow, type (or copy and paste) the following command:

    defaults write com.apple.dock expose-animation-duration -float 1

    To set this to Medium, type (or copy and paste) the following command:

    defaults write com.apple.dock expose-animation-duration -float 0.5

    To set this to Fast, type (or copy and paste) the following command:

    defaults write com.apple.dock expose-animation-duration -float 0.15

    To set this to Very Fast, type (or copy and paste) the following command:

    defaults write com.apple.dock expose-animation-duration -float 0.1

    To set this to Disabled, type (or copy and paste) the following command:

    defaults write com.apple.dock expose-animation-duration -float 0
  3. To reset this setting to the default value, type (or copy and paste) the following command:

    defaults delete com.apple.dock expose-animation-duration
  4. To activate this tweak immediately, type the following command, or wait until the next reboot:

    killall Dock
  5. Close the Terminal session by typing exit at the prompt.

Disclaimer: Making any changes to your system can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from these modifications can be resolved. Please follow the instructions carefully and use the information provided at your own risk.