How to change application icon or folder on Mac OS X

Far from always, developers are worried about creating high-quality and modern icons for their applications in OS X.

Some applications not only, which doesn’t really fit the dock style icons, so they also look frankly awful. Therefore, as an option — change application, but it’s better to just search for a satisfying icon. In this article we will tell, how to change apps icon in os x on mac.

First you need to find the right icon for the application of interest. OS X uses formatted files .icns, whose advantage is, that it contains several images with different resolutions, thanks to what the picture will always look presentable.

If you decide to set a regular image as an icon, then it should definitely be a format .png with a resolution of at least 512 x 512 pixels, to avoid pixelation.

How to change application icon in OS X?

  1. In the Finder, find the program folder (she is called) and the corresponding application, in which you want to change the icon.
  2. Right click on the application icon and click «Properties» (or press the key combination Command (⌘) + I).
  3. The icon will be displayed in the upper left of the window. Just drag and drop a new one onto it (a plus sign appears next to the cursor).

Alternatively, you can do the following:

  1. Copy the file of the downloaded icon to the clipboard (right mouse button → copy or command key combination (⌘ + C)).
  2. Open application properties, select the icon in the upper left corner and click Command (⌘) + V.

If the application is in the Dock, then the icon image will not be updated. To do this, open the Terminal (Finder → Programs → Utilities → Terminal or use Spotlight search), type the following command and press return (Enter):

killall Dock

How to return the original application icon in OS X?

It may happen so, that the new icon will be less successful, than the old, and you will need to return everything back.

  1. Find the application in the folder «Programs» and open its properties (point 1-2 of the previous part of the instruction).
  2. Select the icon in the upper left corner.
  3. Press the backspace button (Delete) on keyboard.

The same technique works and, if you wish, install a custom icon on a folder in OS X.