Macbook Speed up for any MacOS version including Mojave

Speed up your MacBook

Original author of post - Matthew Palmer

Terminal Tweaks

You can apply each of the following tweaks with the Terminal.
How to execute Terminal command
  1. Open Terminal by typing Command-Space to trigger Spotlight then search for ‘Terminal’.
  2. For each step in the tweak, copy the command formatted like this and paste it into Terminal
  3. Hit Return to execute that command
  4. Repeat for subsequent commands

Creating a Super Minimal Desktop

Here’s my super minimal Desktop setup, with hidden Desktop icons, a tidy Dock, hidden menu bar icons, and a menu bar that blends in with the background.

Show and Hide Desktop Icons

To hide desktop icons, copy and paste each of these into Terminal
  1. defaults write com.apple.finder CreateDesktop false
  2. killall Finder
To show desktop icons again,
  1. defaults write com.apple.finder CreateDesktop true
  2. killall Finder

Show and Hide Hidden Files in Finder

To show hidden files in Finder, you can use the keyboard shortcut Command-Shift-. in macOS Sierra.
To show hidden files in Finder via the Terminal, copy and paste each of these into Terminal
  1. defaults write com.apple.finder AppleShowAllFiles YES
  2. killall Finder
To hide hidden files in Finder via the Terminal,
  1. defaults write com.apple.finder AppleShowAllFiles NO
  2. killall Finder

Add Blank Space Icon Separators to the Dock

Dock space separator section
To add a separator icon for space between icons in your Dock,
  1. defaults write com.apple.dock persistent-apps -array-add '{"tile-type"="spacer-tile";}';
  2. killall Dock
  3. Repeat for each additional separator you want to add. You can rearrange the sections by dragging the blank space in your Dock.

Match the Desktop background colour to the dark menu bar

Here’s a niche one for you: if you want to make it look like the menu bar is hidden completely, the right RGB value is 22, 22, 22. You can apply this through System Preferences > Desktop Picture > Solid Colors > Custom Color.

Faster Animations for the Dock

There are a couple of tweaks you can use to change the animation speeds for an autohiding Dock.

Make the Dock show instantly

  1. defaults write com.apple.Dock autohide-delay -float 0
  2. killall Dock

Make the Dock animation itself faster

  1. defaults write com.apple.dock autohide-time-modifier -float 0.15
  2. killall Dock

Reset the delay before the Dock animation starts to its default

  1. defaults delete com.apple.dock autohide-delay
  2. killall Dock

Reset the Dock animation to its default speed

  1. defaults delete com.apple.dock autohide-time-modifier
  2. killall Dock

Faster Animations for Mission Control

Change Mission Control animations to a cross-fade

  1. defaults write com.apple.universalaccess reduceMotion -bool true
  2. killall Dock

Reset Mission Control animations to their default

  1. defaults write com.apple.universalaccess reduceMotion -bool false
  2. killall Dock

Disable Spell Check in Every Application

To disable spell check system-wide,
  1. defaults write com.apple.notes NSAutomaticSpellingCorrectionEnabled -bool false
To set spell check back to its default,
  1. defaults delete com.apple.notes NSAutomaticSpellingCorrectionEnabled

Prevent Your Mac from Going to Sleep

To stop your Mac from sleeping while you do a presentation or watch something, run the following in Terminal
  1. caffeinate
Caffeine and Lungo are great apps that do this as well. (Thanks @chrismessina!)

Disable Shadow for Window Screenshots

When you take a screenshot with Command-Shift-4 then Space it includes the window’s shadow (see the section on Pixel-Perfect Screenshots). You can disable this shadow by running each of these in Terminal
  1. defaults write com.apple.screencapture disable-shadow -bool TRUE
  2. killall SystemUIServer

Screenshots Like a Pro

The Mac can do dozens of small variations on screenshots so your documents look professional and high-quality. Figuring out exactly how to do that is hard because your options are hidden behind keyboard shortcuts.

Take a screenshot of just the window

Just the window screenshot Mac
This one’s pretty well known but still my favourite. Hit Command-Shift-4 then Space then select the window you want to get a screenshot of. This can be combined with the tip above about disabling the shadow for window screenshots.

Grow the screenshot capture zone

After you hit Command-Shift-4 you can select the region you want to capture by dragging the cursor around. You can hold Option to grow the window symmetrically in all directions. You can hold Shift to grow the window in only one direction. You can hold Option-Shift to grow the window symmetrically in only one direction.

Move the screenshot capture zone

After you select a screenshot capture zone, hold down Space and drag your mouse cursor to move the capture region around.

Copy the screenshot to the clipboard

Hold Control when you capture the screenshot and it will be copied to your clipboard instead of saved to your Desktop.

Powerful GUI Features

Use Tab to navigate everything

By default, you can use Tab to navigate through input fields. You can speed up your navigation by enabling the ability to tab through everything. Open System Preferences, then search for ‘full keyboard access’ and enable Tab for all controls at the bottom.

Customize your menu bar

You can hold Command and drag menu bar icons around to rearrange icons and tweak your Mac’s appearance. Drag an icon far enough off the menu bar and it’ll disappear completely. You can also use something like Vanilla or Bartender to hide icons.

Open a file or app in Finder from the Dock

From the Dock, you can reveal a file or application in Finder by holding Command and clicking the icon.

Change an app’s icon

Use the above tip to reveal an app in Finder, then Command-I to open its Get Info panel, then drag your replacement icon over the icon in the top left of the Get Info window to replace it.

Open a file in a certain app

This one’s not so much of a productivity boost, just a ”Oh cool I’m glad it works like that.” Start dragging a file in Finder (or image in a web browser, etc.), then drop it on one of the app icons in your Dock. It will open the file in that app.

Change the default app for a file type

Use the above tip to reveal a file in Finder, then Command-I to open its Get Info panel, then under ”Open With” choose the application you want to set as the default for that file extension (.html, .mov, etc.), and then hit ”Change All…”

Bulk rename files in Finder

Select a bunch of files in Finder, then choose ”Rename X Items.” This feature is so powerful it’s worth a post on its own, but once you play around with it you’ll get the gist.

Type emoji with a keyboard shortcut

You can type emoji by hitting Command-Control-Space to open the emoji picker for your Mac. There are also apps like Rocket that make entering emoji faster.

My Top 4 Keyboard Shortcuts

Keyboard shortcut guides are everywhere (and the Godfather has an exhaustive list, so I’ll just give you my top four.
  1. In Finder, Command-Up will navigate up one level. Command-Down will open the selected folder or file.
  2. In Finder, Command-Option-C will copy the file’s path to your clipboard
  3. In lots of apps, Command-Option-Shift-V will paste the clipboard contents without formatting.
  4. The following let you navigate and select text faster. Command-Arrow moves you to the start or end of a line or document. Option-Arrow moves to the next or previous word. Hold Shift while doing these to highlight the text as you navigate.

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