animation-timing-function

Defines the speed curve of an animation, such as 'ease-in', 'ease-out', or 'linear'. It controls whether the animation feels organic and bouncy or robotic and steady.

Quick example

.smooth-move {
  animation: slide 1s infinite;
  /* Starts slow, speeds up in the middle, then slows down at the end */
  animation-timing-function: ease-in-out;
}

Quick facts

Initial value
ease
Inherited
No
Applies to
all elements and pseudo-elements
Animation type
notAnimatable

animation-timing-function Browser Support

Widely available Since 2015 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.

Safe to use without fallbacks.

43+
16+
9+
12+
ESC