: Resizes a main composition and automatically scales all child pre-compositions.
All the download sites mentioned below offer the script for learning purposes only and include clear warnings against commercial use: Aescripts Super Resize Me v1.1 Free Download
If you want, I can:
/Applications/Adobe After Effects [Version]/Scripts/ScriptUI Panels/ Paste the file into the ScriptUI Panels folder. Restart After Effects. Running the Tool : Resizes a main composition and automatically scales