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True Comp Duplicator 3.9.11 for Mac

True Comp Duplicator 3.9.11 for Mac

Mac Video
Updated Nov 4, 2026
Mac Video • Updated Nov 4, 2026

True Comp Duplicator 3.9.11 for Mac is a long-running utility for Adobe After Effects on macOS, by Mike Overbeck and sold on aescripts.com. It solves a famous After Effects frustration: duplicating a composition normally still shares its nested subcomps, so editing the copy quietly changes the original. This tool creates a complete, independent duplicate instead.

With one operation it duplicates the selected composition hierarchy, including subcomps, with many options for how the new structure is named and organised. Motion designers use it to create safe variations of a scene for different clients, languages, formats or durations, while keeping the original project version completely untouched and ready to return to.

Key Features

  • Creates a complete duplicate of a selected comp hierarchy, including all subcomps
  • Duplicated comps are fully independent, so editing a copy never changes the original
  • Many options for handling nested comps, naming and project organisation
  • Ideal for making client, language, format and duration variations of the same scene
  • Lightweight script tool that runs inside After Effects on Mac, with no separate app

How to Download

  1. Confirm your version of After Effects on Mac is supported on the official page.
  2. Get it here: Download from the official site
  3. Install the script as instructed, restart After Effects, and run it from the File > Scripts or Window menu.

Is True Comp Duplicator free?
No. It is a paid tool, listed at around $24.99 on aescripts.com. There is no free full version, so check the official page for the current price before buying.

Why not just duplicate in the Project panel?
Standard duplication shares nested subcomps between the original and the copy. True Comp Duplicator duplicates the whole hierarchy, which is what you need when a variation must be edited independently.

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