How to create a circle mask in After Effects

Circle masks are great for profile cutouts, spotlight reveals, or simple vignettes that need a soft, rounded edge.

Steps to create a circle mask

Select the layer you want to mask. Press and hold on the shape tools and choose the Ellipse Tool.

Ellipse Tool selected in the After Effects toolbar to create a circle mask

Hold Shift while dragging on your comp viewer to get a perfect circle. Hold Space while dragging to reposition the circle before you let go.

Drawing a circular mask in the composition viewer in After Effects

Press MM to refine Feather and Expansion for a soft edge or tighter fit.

Circle mask created in After Effects composition viewer

One more thing

If you need a mask perfectly centered in your composition, first select the layer, then double-click the Ellipse Tool. After Effects automatically creates a centered mask that matches the layer size — way faster than dragging it manually.

Related how-tos

How to use the pen tool in After Effects
How to feather a mask in After Effects
How to animate a mask path in After Effects

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