Adjust or Increase Video Brightness with Key Frames

It’s easy to lighten and brighten dark footage with MovieMator Video Editor Pro. With key frames, you can create animated brightness effect to your video to indicate daylight or time change.

Step 1: Open MovieMator Video Editor and load the video/audio/image files

Double-click the program icon to open MovieMator Video Editor.

Step 2: Add the target files to the timeline

Select the target file and click “Insert” button, or drag & drop the target file from your local album to append it to the track on the timeline.

Step 3: Add the “Brightness” filter

Select the video and click “Add Filter” to add the “Brightness” Filter to the video.

Step 4: Create animated brightness effect with key frames

Check “Enable Key Frames” if you want to add animated brightness effect. That is to change the video brightness from dark to light, or from light to dark.

Upon checking this option, red keyframe markers will appear at the beginning and the end of the clip.

Tips: Click “+” button to add key frame to the moment; click “-” button to remove the unwanted key frame; < click to jump to the previous key frame; click  > to jump to the next key frame.

Slide to change the brightness at each key frame. Preview the video and you’ll see the brightness changes along with the time.

Please note that a key frame will be automatically added at the playhead when you adjust the brightness of this moment with the option “Auto Add Key Frames” checked.

Step 5: Export your video or save the project for further editing

You could directly export videos with any format for playing on any device. Or save the project and edit them again in your spare time if you have to break off the editing process.

Export Videos: Click “Export Video” on the main interface, then choose your desired format and adjust output settings. When everything is OK, click “Export File” to name the file and choose the destination folder.

Save Project:

You have 2 ways to save project for further editing. One is to click “Save Project” on the main interface, the other is to click “File” menu, then click “Save” or “Save as” to name the file and choose the destination folder. By the way, if you are used to using keyboard shortcuts, you can also press “Command + S” to save the project.


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