Design CSS easing curves with draggable handles and a live animation preview.
A visual editor for CSS cubic-bezier() easing. Drag two handles to shape the curve — overshoot for bounce effects — and watch a looping animation preview. Presets for the standard easings included. Copy the timing function. Runs entirely in your browser.
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Because nothing in the physical world moves at a constant speed — things accelerate and decelerate. Linear motion reads as mechanical and cheap, which is why almost every polished interface uses eased curves. It is the single easiest change that makes animation feel considered.
Ease-out for elements entering — fast at first, settling gently, which feels responsive. Ease-in for elements leaving, since you do not need to track them. Ease-in-out for movement between two on-screen positions. Getting entrances and exits the right way round matters more than the exact curve.
Drag a control handle beyond the 0 to 1 range so the curve overshoots and comes back. A small overshoot adds life to things like modals and toggles. Keep it subtle — heavy bouncing looks dated quickly and slows the interface down, which users feel as sluggishness.
Yes, CSS Cubic Bezier Editor is completely free. No signup, no account, and no watermark on outputs. A Pro tier is available for 100 AI ops/day and larger file sizes.
CSS Cubic Bezier Editor runs entirely in your browser. Your file is never uploaded — it is read, processed and saved locally, so it never reaches our servers or anyone else's. You can disconnect from the internet after the page loads and it still works.
Live preview
cubic-bezier(0.25, 0.1, 0.25, 1)What it is: A visual editor for CSS cubic-bezier() easing — the timing function that controls how a transition or animation accelerates and decelerates.
The curve: The horizontal axis is elapsed time and the vertical axis is animation progress. Pulling a handle above 1 or below 0 makes the animation overshoot and settle back — the basis of “bounce” and “back” easings.
Where it goes: Use the value in transition-timing-function, animation-timing-function, or the shorthand transition.
Privacy: Everything runs locally in your browser. Nothing is uploaded.