Mask Layer Splitter

Mask Layer Splitter

mask layer splitter script

Download Mask Layer Splitter v1.2.1 for After Effects on Windows and Mac, a powerful script that instantly separates masks from layers into individual layers . Perfect for animating masks independently, applying separate effects, or cleaning up complex compositions—this tool eliminates the tedious manual process of duplicating layers and setting up track mattes.

Key Features of Mask Layer Splitter v1.2.1:

• One-Click Separation: Instantly split masks from selected layers into individual, fully independent layers
• Mask Tracking Preservation: Tracked masks maintain their animation when split—no need to re-track
• Original Layer Retention: Original layer remains in place with masks removed, or optionally delete the source layer
• Parenting Options: Choose to parent split layers to the original or leave them independent
• Layer Color Options: Set specific colors for split mask layers for easy identification
• Duplicate Handling: When multiple masks are present, each becomes its own layer with proper naming
• Broad Compatibility: Works with After Effects 2025 down through CS6 on both Windows and Mac

Perfect For:

• VFX artists who need to apply separate effects to different masked areas
• Motion designers creating complex animations where masks need independent movement
• Compositors cleaning up complex layer structures
• Anyone tired of manually duplicating layers and setting up track mattes
• Studios wanting to streamline their masking workflows

System Requirements:

• Adobe After Effects 2025, 2024, 2023, 2022, 2021, 2020, CC 2019, CC 2018, CC 2017, CC 2015.3, CC 2015, CC 2014, CC, CS6
• Windows 10/11 (64-bit) or macOS
• 4GB RAM minimum (8GB+ recommended)
• 25MB available disk space
• Enable “Allow Scripts to Write Files and Access Network” in Preferences > Scripting & Expressions

Installation:
Copy Mask Layer Splitter.jsxbin to your After Effects ScriptUI Panels folder:

• Windows: C:\Program Files\Adobe\Adobe After Effects [version]\Support Files\Scripts\ScriptUI Panels\
• Mac: /Applications/Adobe After Effects [version]/Scripts/ScriptUI Panels/

Access via Window menu > Mask Layer Splitter

Note: For best results when working with tracked masks, split before making additional modifications to maintain tracking data .

Now with KBar support! All-in-one solution to separate masks into layers, rename them, crop precomps, and apply layer offsets with ease

Mask & Layer Splitter is an essential tool for After Effects users looking to simplify complex tasks and boost their productivity. This script offers a suite of features designed to easily handle common layer and mask management tasks. The script’s intuitive interface features a set of buttons, each dedicated to a specific task, ensuring a seamless user experience. Whether you’re working on a simple animation or a complex project, Mask & Layer Splitter will help you manage your layers and masks more efficiently, allowing you to focus on creativity rather than tedious tasks.

Separator

Separate masks from a selected layer into individual layers for easier management. The script will generate new layers, each representing a single mask from the original layer.

Optional Modifiers for Reference Layers:
Shift: The script will duplicate the selected layer, lock it, and mark it as a reference layer before splitting the masks.
Shift + Ctrl (Cmd on Mac): Removes the reference layer after splitting the masks.

Rename

Batch rename selected layers with the Separate or Sequence options.

Select t he layers you want to rename. Choose Separate for character-by-character names or Sequence for one base name wit h zero-padded numbers, t hen set t he base name/suffix. Review t he live preview and click Rename to apply.

Precomp & Crop

Automatically create pre-compositions and crop them to the content bounds, perfect for organizing complex compositions.

Offset Layers

Offset the start times of selected layers in ascending, descending, or random order, ideal for creating staggered animations.

KBar Support

KBar is a powerful extension for After Effects that enables you to create customizable toolbars. With Mask & Layer Splitter, you can easily integrate its core functionalities into KBar for faster workflows.

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