Mask, Cutout & Chroma Key

Learn how to remove backgrounds, replace green screens, add outlines, and create clean video masking effects.

Updated July 16, 2026 · 4 min read

Replace BG-Image/Color

1. Select the clip on the main track and tap [BG].

Select the clip on the main track and tap BG

2. Select the clip on the main track and tap [BG].

Select the clip on the main track and tap BG

Create a unique atmosphere by changing the background.

1. Tap the video clip, then tap [Cutout].

Tap Cutout

2. Tap [Cutout] to remove the background. Adjust Feather and Expand for better results.

3. Tap [Stroke] to add an outline.

1. Tap the [Chroma] to enter color sampling and removal.

Enter color sampling and removal

2. Use the color picker tool to select the color you want to remove, then adjust the [Intensity] and [Spill] to achieve a better effect.

1. Tap the [Mask] to add a shape mask to the material.

Add a shape mask to the material

2. Select the desired mask style and adjust its size accordingly.