Update Legacy Expressions
Modernise old expressions.
What Update Legacy Expressions does
Update Legacy Expressions — bring code up to date
Update Legacy Expressions scans your project for old ExtendScript-engine expressions and helps you move them toward the modern JavaScript engine in After Effects.
Fewer surprises, better performance
Legacy expressions can break and run slower. This tool helps you modernise with less manual effort.
Installation
Place the file in your After Effects ScriptUI Panels folder (or run it via File → Scripts), then open it from the Window menu.
Up and running in minutes.
Install
Install the AE Script with the ZXP installer.
Activate
Enter your license key to unlock the panel.
Open panel
Launch the panel from your app's Extensions menu.
Create
Speed up your workflow with one-click tools.
Frequently asked questions
What does it do?
It helps find and update legacy expressions toward the modern JavaScript engine.
Why does that matter?
The modern engine is faster; legacy expressions can break in newer projects.
How do I install it?
Run it from File → Scripts or place it in your ScriptUI Panels folder.
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