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KX Toolkit

CSS Animation Generator

Define a `@keyframes` rule with named percentages (or `from`/`to`) describing property values at points in the timeline. Apply the animation to an element with `animation-name`, `animation-duration`, `animation-timing-function`, and other shorthand properties. The browser interpo

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Define a `@keyframes` rule with named percentages (or `from`/`to`) describing property values at points in the timeline. Apply the animation to an element with `animation-name`, `animation-duration`, `animation-timing-function`, and other shorthand properties. The browser interpo

This free CSS Animation Generator from KX Toolkit is part of our all-in-one online toolkit. It runs entirely in your browser, so your data never leaves your device for client-side operations. 100% free, forever - no paywall, no credit card, no trial.

How to use the CSS Animation Generator

  1. Adjust the visual controls in the tool.
  2. See the live preview update instantly.
  3. Read the generated CSS code below the preview.
  4. Copy the code and paste it into your stylesheet.

What you can do with the CSS Animation Generator

  • Skip writing CSS by hand for gradients and shadows.
  • Prototype layouts with flexbox/grid generators.
  • Generate hover/focus animations without keyframes by hand.
  • Build component styles faster.

Why use KX Toolkit's CSS Animation Generator

  • Browser-based: Works on Windows, macOS, Linux, iOS and Android - no install, no extension.
  • Privacy-first: Client-side tools never upload your data; server-side tools delete files right after processing.
  • Mobile-friendly: Full feature parity on phones and tablets - not a stripped-down view.
  • Fast: Optimised for instant feedback. No artificial waiting screens, no email-gated downloads.
  • One hub for everything: 300+ tools across SEO, text, image, PDF, code, color, calculators and more - skip switching between sites.

Tips for the best results

Generators are a starting point - always tweak the final values for your design system rather than shipping defaults.

Related CSS Tools

If you find this tool useful, explore the full CSS Tools collection or browse our complete tool directory. KX Toolkit is built for marketers, developers, designers, students and anyone who needs a quick utility without signing up for yet another SaaS.

How do CSS @keyframes animations work?
Define a `@keyframes` rule with named percentages (or `from`/`to`) describing property values at points in the timeline. Apply the animation to an element with `animation-name`, `animation-duration`, `animation-timing-function`, and other shorthand properties. The browser interpolates between keyframes automatically. The generator builds both the @keyframes block and the animation shorthand for you, so you can paste them straight into your CSS.
What is the difference between animation and transition?
Transitions run once when a property changes, usually triggered by hover, focus, or a class toggle. Animations run on a defined timeline using @keyframes, can loop indefinitely, and don't need a triggering state change. Use transitions for simple state changes like buttons; use animations for loops, multi-step sequences, or autonomous motion like spinners and pulse effects.
How do I pause or restart an animation?
Toggle `animation-play-state` between `running` and `paused` to freeze and resume an animation at its current point. To restart from the beginning, briefly remove the animation (set `animation: none`) and re-apply it on the next frame, or trigger a reflow with a property read. Adding and removing a class is the cleanest pattern in JavaScript-driven UIs.
Should I respect `prefers-reduced-motion`?
Yes. Some users get nauseous from heavy motion, so wrap non-essential animations in `@media (prefers-reduced-motion: no-preference) { ... }` or set `animation: none` inside `@media (prefers-reduced-motion: reduce)`. Decorative spinners, parallax, and bouncing illustrations should be reduced or disabled, while functional indicators like progress bars can remain. This is an accessibility best practice and improves perceived polish.
Why does my animation flicker or stutter?
Stutter usually means the animated property triggers layout or paint. Animate only `transform` and `opacity` for buttery 60fps motion. Flicker on the last frame is often caused by `animation-fill-mode: none` (the default) reverting to the original style; switch to `forwards` to keep the end state, or `both` to also apply the start state before the animation begins.
How do I chain multiple animations on one element?
List them comma-separated on the `animation` property: `animation: fadeIn 0.5s, slideUp 0.5s 0.5s;`. Each animation can have its own duration, delay, easing, and iteration count. The browser plays them in parallel, so use delays to sequence them. For complex chains, JavaScript with the Web Animations API or a library like GSAP gives you cleaner timeline control.

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