Bridge the gap between Design and Engineering. Export precise specifictions from After Effects keyframes in milliseconds.
Select any two keyframes and get instant duration, delay, and value changes. No more manual calculations.
Exports values, delta differences, and standard cubic-bezier curves ready for CSS or native development.
New "Single Key Time" feature allows you to pinpoint exactly when an animation event occurs in the timeline.
Copy as Markdown for documentation, JSON for code, or plain text for quick Slack messages.
Highlight the start and end keyframes of any animation in your timeline.
Hit the "Get Specs" button. LeeSinMotion parses the data instantly.
Paste the generated specs directly into Jira, Notion, or your handoff documentation.
Copy LeeSinMotion.jsx to the AE ScriptUI Panels directory:
/应用程序/Adobe After Effects CC 2025/Scripts/Script UI Panels
Copy LeeSinMotion.jsx to the AE ScriptUI Panels directory:
...Adobe After Effects CC 2025\Support Files\Scripts\ScriptUI Panels