How it works
Pick the element.
Click it, or use the keyboard: / searches by selector, arrow keys move to the parent, children and siblings.
Choose the trigger.
running hover focus click and more. Tweenshot replays the animation or triggers it for you.
Capture it frame by frame.
CSS transitions, Web Animations and GSAP are paused and stepped to exact times. Anything else is recorded live from the tab.
Flag the wrong frame.
In frame #10 the square squashes while still in the air: the squash starts 35 ms before the landing. The values at that moment are right there.
Copy it for AI.
Selector, timing, flagged frames and their values in one Markdown spec. Paste it and ask.