SplitEase.js Logo


The curve with a beginning, middle and end.

SplitEase.js allows animators and creative coders to compose separately variable acceleration, constant-speed and deceleration segments in a single continuous easing (interpolation) through simple numeric arguments. It weighs less than 1k.

Use the controls below to visualize the function’s API.

Star / Fork it on Github, or ask me about it on Twitter 😄.