iMovie now only supports videos in the formats as the picture shows below. If your videos are in these formats, you can import them to iMovie for editing easily. If not, please click the corresponding format below to get a solution.
When the auto-focus on the camera will misread brightness and that beach sunset video doesn’t look quite as vibrant as you remember it, then you can try the color correction feature in iMovie to correct it.
It's the easiest video editing tools for video editing novice to create stunning professional-looking videos.