Copy the UnPreCompose.plugin file to: /Library/Application Support/Adobe/Common/Plug-ins/7.0/MediaCore
Several versions of this script exist, ranging from simple scripts to more advanced, free, and paid plugins. 1. Aescripts + Aeplugins (Un-Precompose)
Reversing a pre-composition in Adobe After Effects is a notorious roadblock in the motion graphics workflow. While After Effects natively allows you to group layers into a pre-composition, it does not offer a single-click "un-precompose" button to extract those layers back into your main timeline. Un Precompose After Effects Plugin Free Download
If you prefer not to create an account on aescripts.com, several reputable resource-sharing sites provide direct download links. These include:
| Option | Description | |--------|-------------| | | Add a custom text string that will be prepended to every extracted layer's name (separated by an underscore). Useful for identifying newly extracted layers. Leave blank if not needed. | | Copy Pre-Comp Attributes to Layers | Applies any transform properties, effects, or keyframes from the pre-comp itself to the extracted layers. The plugin creates a master null object to handle transformations, which is automatically removed if no transform keyframes exist. | | Discard Pre-Comp Attributes | Ignores the pre-comp's own properties and places the layers as they are, which may cause shifts in position and appearance depending on your setup. | | Delete Source After Un-Precomposing | Permanently removes the original pre-comp layer from the timeline and also deletes the source composition item from the project panel (only if not used elsewhere). Use with caution . | | Keep Pre-Comp In Composition | Leaves the original pre-comp layer in the timeline but turns it off (disabled). This acts as a safety net, allowing you to revert easily if the un-precompose results are unsatisfactory. | Copy the UnPreCompose
Instead of disrupting your timeline and forcing you to manually dig through nested compositions, the tool automatically handles the heavy lifting. It extracts the layers while carefully preserving their original timing, effects, masks, and transform properties relative to the main timeline. Key Features : Instantly unpacks any pre-comp.
: Includes options to attempt correcting the placement of layers that contain randomized expressions, though some complex 3D or particle simulations may still require manual adjustment. Download & Availability While After Effects natively allows you to group
Select all layers ( Ctrl+A or Cmd+A ) and copy them ( Ctrl+C or Cmd+C ). Return to the parent composition.
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