100% Free · No Login · Instant Preview

Build CSS AnimationsVisually & Instantly

Add keyframe stops, tweak opacity, transforms, and colors. Preview your @keyframes animation live, then copy the production-ready CSS in one click.

🎬

Visual Keyframe Editor

Add stops at any percentage. Set opacity, translate, scale, and rotate values per keyframe — no memorising syntax.

▶️

Live In-Browser Preview

See your animation play instantly as you edit. Adjust duration, easing, iterations, and direction in real-time.

📋

Copy Production CSS

Get clean @keyframes + animation shorthand CSS. Paste directly into your stylesheet — zero cleanup needed.

Quick Presets

Animation Settings

Keyframes (2 stops)

0%
px
px
°
#a855f7
100%
px
px
°
#ec4899

Live Preview

Edit any value to see changes instantly

Generated CSS

@keyframes myAnimation {
  0% {
    opacity: 0;
    background-color: #a855f7;
  }
  100% {
    opacity: 1;
    background-color: #ec4899;
  }
}

.element {
  animation: myAnimation 1s ease 0s infinite normal none;
}

Frequently Asked Questions

Everything you need to know about CSS Keyframe Animation Builder.