CSS Animation Generator — Free Online Tool Generate CSS animations: keyframes, transitions, transforms, easing functions. Visual animation builder with code export. Bounce, fade, slide effects.
Use this free online CSS Animation Generator directly in your browser. No signup required, no data leaves your device. Part of Utilier — a collection of 133+ developer utilities.
What is CSS Animation Generator (Keyframes, Transitions, Transform, Easing)? CSS animation generator creates animations visually through interface with code export including CSS keyframes for complex multi-step animations, CSS transitions for simple property changes, transform properties for movement rotation scale, and easing functions for timing control.
Keyframes: @keyframes define animation steps: 0% start, 50% middle, 100% end. Example: fade in animation with opacity changes.Transitions: Smooth property changes: hover effects, color changes, size scaling. transition: property duration easing delay.Transforms: Move, rotate, scale elements: translateX/Y, rotate, scale, skew. GPU-accelerated for performance.Easing functions: Control animation speed: ease, linear, ease-in-out, cubic-bezier. Custom curves for natural motion.Visual preview: See animation live before exporting code. Adjust timing, easing, properties in real-time.Why use css animation? Visual animation creation faster than hand-coding. Test timing and easing interactively.
No trial and error: See animation immediately. Adjust duration, easing visually. Export when perfect.Complex keyframes: Multi-step animations hard to code manually. Visual editor shows each keyframe step.Easing curves: cubic-bezier values hard to get right. Visual curve editor shows exact motion.Code generation: Generates clean CSS code ready to copy-paste. Includes vendor prefixes if needed.When to use css animation Use when creating CSS animations for web interfaces.
Button hover effects (color, scale, shadow changes). Page transitions (fade in, slide in elements). Loading animations (spinners, progress bars). Attention grabbers (bounce, pulse, shake). Complex keyframe animations (custom motion paths). Prototyping animations (test before implementing). How to use css animation Design animation visually, adjust properties, export CSS code.
Choose animation type: Select: keyframes (multi-step) or transition (simple change). Or start from preset: fade, bounce, slide.Set properties: Keyframes: add steps (0%, 50%, 100%). Set properties per step: opacity, transform, color. Transitions: select property to animate.Adjust timing: Duration: how long animation runs (1s, 500ms). Delay: wait before starting. Iteration: once, twice, infinite.Set easing: Choose curve: ease, linear, ease-in-out, custom cubic-bezier. Visual curve editor for custom timing.Preview: Play animation. Adjust if needed. See live preview with exact timing.Export code: Copy generated CSS: @keyframes + animation rule. Paste in stylesheet.Key features Keyframe editor: Add, remove, reorder keyframes. Set properties for each step. Timeline view shows animation flow.Transform controls: Visual controls for translate, rotate, scale, skew. Drag to move, rotate handle to rotate.Easing curve editor: Drag control points to create custom cubic-bezier curves. Presets: ease, ease-in, ease-out, ease-in-out, linear.Live preview: Animation plays in real-time. See exact result before exporting.Presets: Built-in animations: fadeIn, fadeOut, bounce, shake, pulse, slideIn, zoomIn. Customize from preset.Code export: Clean CSS code with proper syntax. Optional vendor prefixes for older browsers.Common use cases Hover effects: Button hover: scale up + color change. transition: all 0.3s ease. transform: scale(1.05).Fade in content: Page load: elements fade in. @keyframes fadeIn: 0% opacity 0, 100% opacity 1. animation: fadeIn 1s ease.Loading spinner: Rotate animation infinite. @keyframes spin: 0% rotate(0), 100% rotate(360deg). animation: spin 1s linear infinite.Attention animation: Button pulse: scale slightly larger and back. Draw attention to CTA button.Examples Common CSS animation code examples.
Fade in @keyframes fadeIn { 0% { opacity: 0; } 100% { opacity: 1; } }animation: fadeIn 1s ease;Element fades from transparent to visible over 1 second.
Hover scale button:hover { transform: scale(1.1); }transition: transform 0.3s ease;Button scales up 10% on hover smoothly.
Technical reference CSS animation properties and syntax.
Keyframes syntax @keyframes name { 0% {...} 50% {...} 100% {...} }. Apply with: animation: name duration easing. Transition syntax transition: property duration easing delay. Example: transition: all 0.3s ease 0s. Transform translate(x, y), rotate(deg), scale(factor), skew(deg). GPU-accelerated (better performance). Easing ease, linear, ease-in, ease-out, ease-in-out, cubic-bezier(x1, y1, x2, y2). Animation properties animation-duration, animation-delay, animation-iteration-count (infinite), animation-direction (normal, reverse, alternate). Common mistakes to avoid Animating non-GPU properties (causes jank) Why it happens: Animating width, height, top, left triggers layout reflow (slow). Causes janky animation.
How to avoid it: Use transform (translateX/Y, scale) instead. GPU-accelerated, smooth 60fps animation.
Frequently asked questions Keyframes vs transitions: which to use? Transitions: simple A to B changes (hover effects). Keyframes: multi-step complex animations (multiple property changes over time).
What properties can I animate? Most CSS properties: opacity, transform, color, background. Avoid: width, height, margin (slow). Prefer: transform, opacity (fast, GPU-accelerated).
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