There is for After Effects. You may be referring to one of the following:
Un-precomposing often breaks expressions that reference the precomp's name or duration. Before running the script, precompose again with "Move all attributes" unchecked. Then run Un-Precompose. Un Precompose After Effects Plugin Free Download
Can you "un-precompose" without a plugin? Yes, but it takes 5 minutes instead of 2 seconds. There is for After Effects
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 Then run Un-Precompose
Despite what the name suggests, (often stylized as True Comp Duplicator or Un-Precompose scripts by various developers, most notably Battle Axe or AEScripts) is not a single native Adobe tool. It is a third-party script that reverses the precomposing operation.
: A comprehensive toolbar for After Effects that includes an "un-precomp" tool. The developers claim it is more stable than the native (though often buggy) options. How to Use the Un-PreCompose Plugin the pre-composition layer in your timeline. menu at the top of your screen. Un-precompose from the list.