Un-Precompose is a free (or pay-what-you-want) plugin created by a developer known as "aesweet" and distributed on the official platform aescripts.com. It was originally released in 2011 and remained largely unchanged for years until a major update (v1.1.0) brought compatibility for modern After Effects versions and new operating systems. This official version has a suggested price of $29.99 for commercial use, but individual users can enter any amount, including $0, to download it. This is the safest and most reliable way to get the tool.
Most scripts will ask if you want to from the Project Panel. Select "Yes" to keep your project organized, or "No" if you need to use that pre-comp elsewhere. Click Un-Precompose . Alternative Workflow: The Native Native Workaround Un Precompose After Effects Plugin Free Download
If your pre-comp contains 3D layers or cameras, the plugin may struggle to maintain perfect positioning due to how After Effects calculates 3D space. Always double-check your alignment after un-precomposing. manually re-align layers if they shift after you pull them out of a pre-comp? Un-PreCompose - aescripts.com This is the safest and most reliable way to get the tool
Close and reopen the application to initialize the script. How to Use the Tool in Your Timeline Open After Effects and open your main composition. Select the pre-comp layer you want to unpack. Click Un-Precompose
Always save a backup version before un-precomposing, especially on complex projects. Conclusion
Any expression referencing thisComp will break instantly.