) in After Effects doesn't duplicate the "pre-comps" inside a composition—it just points back to the originals. True Comp Duplicator creates a truly independent copy.
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True Comp Duplicator v3 is a popular script for Adobe After Effects that allows you to create complete, independent duplicates of composition hierarchies, including all sub-compositions. While "free download" links often appear in searches, the script is professionally hosted on aescripts + aeplugins ) in After Effects doesn't duplicate the "pre-comps"