Before you get into the steps of how to change a Mac app icon, you obviously need to have a new icon chosen and ready to use. MacOS uses.icns files for application icons, and it’s best to stick with this format if possible, as an.icns file contains multiple sizes of an icon for various uses. RELATED: How to Rearrange and Remove Your Mac's Menu Bar Icons. Next, navigate to the app, file, or folder where you want to change the icon. Right-click the item and choose the “Get Info” option. This will open the information panel. You’ll find the icon in the top-left corner. All you have to do is click the image to select it. The support has been removed in the latest version of Mac OS. However, you can still change App icon in OS X through an easy way. So if you don’t like an app icon and it gives an awkward feel, simply change it. Change App icon in OS X: As OS X uses.icns file format for app icons, so it’s better to have your desired icon in this format. Whether you want to revert to an app’s previous icon, or want to have some fun with customizing a variety of your apps, read on for how to change Mac app icons. Changing Mac app icons is a simple and painless process and can be fun to do for a custom macOS look and feel. Open Safari and go to the page with a URL that you want to save on the Dock. Click and drag the small icon that you find at the left of the URL in the Address bar to the right side of the dividing line in the Dock (at the arrow’s head in Figure 3) and then release the mouse button.
After a few hours of work, a Finder window in icon mode can look something like a teenager’s room: stuff strewn all over the place, as demonstrated with the Applications folder in Figure 1.
Figure 1: Will someone please clean up this mess?
To restore order to your Desktop, click in any open area of the active window and then choose View –> Clean Up. This command leaves the icons in approximately the same position but snaps them to an invisible grid so that they’re aligned, as shown in Figure 2.
Figure 2: Tidying up is no problem with the Clean Up menu command.
After things are in alignment, work with the icon view options. (Naturally, you’ll want the active Finder window in icon view first, so choose View –> As Icons or press COMMAND+1.) From the Finder menu, choose View –> Show View Options — or press that swingin’ COMMAND+J shortcut — to display the View Options dialog box that you see in Figure 3. (Remember that these options are the ones available for icon view.)
Figure 3: The settings available for icon view.
Note these first two radio buttons, which also appear in the list View Options dialog box:
Of course, Mac OS X remembers the changes that you make within the View Options dialog box, no matter which view mode you’re configuring. You can also make other changes from this dialog box, including
• White: This is the default.
• Color: Click a color choice from the color block that appears if you make this selection.
• Picture: Select this radio button and then click the Select button to display a standard Open dialog box. Navigate to the location where the desired image is stored, click it once to select it, and then click Open.
After all your changes are made and you’re ready to return to work, click the dialog box’s Close button to save your settings.