How to Crop Video in Circular Frame with Key Frames?

Want a special way to start and end your video? Add a circular frame to your video with key frames, so the video can slowly extend to full screen at the start and narrow down to even a dot by the end in MovieMator Video Editor.

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

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

If you haven’t installed the latest version of MovieMator, download the Windows demo from here; the Mac demo from here.

Then click “Open” at the top left corner and select the file(s). Press “Open” to load the files to MovieMator.

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 “Circular Frame” filter

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

Step 4: Create animated Circular Frame with key frames

Check “Enable Key Frames” if you want to add animated Circular Frame. That is to change the radius of the circular frame from small to big, or from big to small.

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 Circular Frame radius at each key frame. Preview the video and you’ll see the circular frame changes along with the time.

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

Bonus tips:

You may want to change the filling color outside the circular frame. 2 ways to do that, the first is to pick a color on your computer screen. Click the color picker, you’ll see the cursor change to criss-cross, then click anywhere in your screen to pick your desired color.

The second way is to click the default black square, then select a color in the color selection window. Press OK to apply the change.

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.