Mask Null for After Effects

Download Mask Null v1.2, a powerful After Effects script that enables you to control masks with null layers while maintaining a live link to the null object at all times . This essential tool automatically calculates mask centers and creates control nulls with one click, streamlining mask animation and manipulation in your compositions.

Control masks with null layers while maintaining a live link to the null object at all times.

Key Features of Mask Null v1.2:

• Automatic Null Creation: Calculates mask center and creates a control null with a single click
• Complete Mask Control: Use null to control mask position, scale, rotation, and opacity
• Keyframe Animation: Animate masks easily by keyframing the control null
• One-Click Unlink: Disconnect mask from null instantly when needed
• Shape Layer Conversion: Create shape layers with identical form and position as the mask in one click
• Minimal UI: Simple, uncluttered interface for efficient workflow
• Launch Version: v1.2 (June 5, 2025) is the initial release

Perfect For:

• Motion graphics artists working with complex mask animations
• Editors needing precise control over mask properties
• Anyone wanting to simplify mask manipulation in After Effects
• Animators requiring efficient mask keyframing workflows

System Requirements:

• Adobe After Effects 2025, 2024, 2023, 2022
• Windows or macOS
• 4GB RAM minimum (8GB+ recommended)
• 50MB available disk space

Note: When using the script, avoid Chinese-language versions of After Effects as they may cause expression errors . Ensure “Allow Scripts to Write Files and Access Network” is enabled in Preferences for proper functionality .

Control Masks with Nulls

Features

• Automatically calculates the center of a mask and creates a control null with one click.
• Control mask position, scale, rotation, and opacity using a null.
• Animate the mask by keyframing the null.
• Unlink the mask with a single click after it’s been connected.
• Create a shape layer with the same form and position as the mask in one click.
• Simple and minimal UI.

Create a null from a mask

Click Run to create a null at the center of the selected mask.

Control mask position, scale, rotation, and opacity using a null.

Animate the mask by keyframing the null.

Bake, Shape

Clicking Bake unlinks the mask and deletes the null.

Clicking Shape creates a shape layer with the same form and position as the mask.

minimal UI

Tutorial Video

Compatibility

After Effects

2026, 2025, 2024, 2023, 2022

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