Prompt to expression
Write a plain-language request and generate a readable After Effects expression without leaving the project.
// After Effects plugin
Plain-language expressions for motion designers.
Describe the motion behavior you need, generate a readable After Effects expression, then review, copy, favorite, or apply it to the selected property.
Selected-property workflow
Copy, favorite, or apply the expression directly to the selected expression-capable property after review.
Local first, cloud optional
Use the local beta engine for supported expression families, with optional BYOK cloud assistance for broader expression writing.
A narrow expression utility
Asterion Expressions focuses on expression drafting and application, not broad timeline automation or template generation.
// Expressions beta
Want faster After Effects expressions?
Best fit: motion designers and editors who use expressions often enough to want clean drafts, favorites, and fast apply controls.