Adobe Express: Masking AI video layers in Premiere Pro

Adobe Express Try it →Watch full video →Rourke Heath · Apr 2026

Demo summary

The tutorial shows how to use the pen tool in Adobe Premiere Pro to create a mask over a window, allowing two different AI video generations to be stacked for a composite effect.

Step-by-step

Place two video layers on top of each other in the Premiere Pro timeline
Select the top video layer
Select the Pen tool
Click to draw specific points around the area you want to mask, such as a window
Close the mask to reveal the layer underneath in the masked area

Watch out for

This technique requires static camera motion to work effectively

Tips

Use this method to composite specific AI-generated events into a scene, like changing the view outside a window

Highlights

“masks are very easy to do”

All demos from “How To Make Cinematic AI Films With Kling 3.0 (Full Tutorial)”

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