CSS Slide Animation Generator
Build CSS slide animations that move elements in from the left, right, top, or bottom. Configure distance, duration, and easing visually, then export clean @keyframes code. All processing happens in your browser.
CSS Animation Generator
Build CSS keyframe animations visually. Configure timing, add keyframes, preview live, then copy production-ready CSS.
Animation Properties
Keyframes (2)
CSS Output
@keyframes myAnimation {
0% {
opacity: 0;
}
100% {
transform: none;
}
}
.animated-element {
animation: myAnimation 0.6s ease 0s 1 normal both;
}Presets
About CSS Animations
CSS animations allow elements to transition between styles over time using @keyframes rules and the animation shorthand property.
@keyframes define the animation steps. Each keyframe specifies CSS properties at a given percentage (0% = start, 100% = end).
Duration controls how long one cycle takes. Delay sets time before the animation starts.
Timing function controls acceleration: ease starts slow, speeds up, then slows; linear is constant speed.
Fill mode determines styles before/after animation: forwards keeps the final state, both applies in both directions.
Direction: alternate reverses every other cycle, creating smooth back-and-forth effects. Use with infinite iteration count for looping animations.
Performance tip: animate transform and opacity for best performance — they run on the GPU compositor and don't trigger layout recalculations.
What is a CSS slide animation?
A CSS slide animation moves an element from one position to another using the transform: translate() property inside a @keyframes rule. Unlike animating left/top, using transform is GPU-accelerated and does not trigger layout recalculations, making slide animations smooth even on lower-powered devices.
Common use cases
Slide animations are widely used for off-canvas navigation menus, carousel and slider transitions, notification toasts that enter from screen edges, and mobile app-style page transitions. They add a sense of direction and spatial context to UI interactions.
/* CSS — slide animations */
@keyframes slideInLeft {
from { transform: translateX(-100%); }
to { transform: translateX(0); }
}
@keyframes slideInRight {
from { transform: translateX(100%); }
to { transform: translateX(0); }
}
@keyframes slideUp {
from { transform: translateY(100%); }
to { transform: translateY(0); }
}
.panel { animation: slideInLeft 0.3s ease-out forwards; }Frequently Asked Questions
Which CSS property should I use for slide animations?
Use transform: translateX() or translateY() inside @keyframes for best performance. Transform animations are composited on the GPU and avoid costly layout and paint operations that left/top animations cause.
How do I slide an element in from the right?
Set the starting keyframe to transform: translateX(100%) and the ending keyframe to transform: translateX(0). The element will slide in from the right edge of its container.
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