How to Add Fade in iMovie

On Desktop

1. 
   Open your Mac's iMovie. Click the purple star and movie camera icon in your Mac's Dock, or open Spotlight

   

   , type in imovie, and click iMovie.
2. 
   Select a project. Click the Projects tab at the top of the window, then click a project to which you want to add the fade in/out effect.

   1. If you don't have any existing projects, click Create New in the upper-left corner and then add the video clip(s) that you need before continuing.
3. 
   Move a clip into the editing area. Click and drag the part of your project to which you want to add fade in/out into the lower half of the iMovie window, then drop it there. You should see a preview of the clip appear on the right side of the iMovie window.

   1. If you want to add multiple clips at once, first hold down ⌘ Command and click each clip that you want to move to select them. You can then click and drag one selected clip to drag all of them to the editing area.
4. 
   Click Settings. It's on the right side of the window, just below the preview of your clip. A drop-down menu will appear.
5. 
   Check the "Fade in from Black" box. You'll see this box in the drop-down menu. Checking it adds a black fade-in effect at the beginning of your clip.
6. 
   Check the "Fade out to Black" box. It's below the "Fade in from Black" box. Checking this adds a black fade-out effect at the end of your clip.
7. 
   Add the fade in or out to other clips in your project. Depending on how many clips you have in your project, you may have to add fade-in and/or fade-out to several different sections.