Yes — pre-generated DOM elements with CSS @keyframes animations. No canvas, no JS. Limited to simple effects (snow, confetti) but no performance cost for interaction.

Configurable — 20-100 is the practical range. Hundreds of animated elements strain the renderer. For dense effects, use canvas-based libraries (tsparticles).

What effects are available?

Confetti (falling with rotation), snow (slower, wobble), stars (twinkling), rain (streaks), hearts (rising). Plus custom particle SVG.

Will it slow down my page?

Small particle counts are cheap. Large counts with complex animations can cost 5-10% CPU on slower devices. Test on target devices.

Particle Effect Generator

DevTools Surf

Example: Particle Effect Generator

A worked example, rendered from real sample data. Sign in to run the tool on your own input.

Input

confetti

Output

.particle-field {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  --p-size: 10px;
}
.particle {
  position: absolute;
  top: 0;
  width: var(--p-size);
  height: var(--p-size);
  border-radius: 2px; width: calc(var(--p-size) * 0.45);
  animation: particle-move 4s linear infinite;
  will-change: transform, opacity;
  pointer-events: none;
}
@keyframes particle-move {
  0% { transform: translate3d(0, -20%, 0) rotate(0) scale(var(--p-scale)); opacity: 1; }
  100% { transform: translate3d(var(--p-drift), 120%, 0) rotate(720deg) scale(var(--p-scale)); opacity: 0; }
}
.particle:nth-child(1) { left: 84.8%; animation-delay: -1.95s; animation-duration: 4.19s; --p-drift: -39px; --p-scale: 1.22; background: #3b82f6; }
.particle:nth-child(2) { left: 23.5%; animation-delay: -2.26s; animation-duration: 2.73s; --p-drift: 16px; --p-scale: 0.81; background: #3b82f6; }
.particle:nth-child(3) { left: 23.5%; animation-delay: -1.37s; animation-duration: 5.48s; --p-drift: -54px; --p-scale: 1.28; background: #ec4899; }
.particle:nth-child(4) { left: 55.1%; animation-delay: -3.26s; animation-duration: 2.97s; --p-drift: -33px; --p-scale: 1; background: #3b82f6; }
.particle:nth-child(5) { left: 17.2%; animation-delay: -3.73s; animation-duration: 4.93s; --p-drift: 41px; --p-scale: 0.58; background: #3b82f6; }
.particle:nth-child(6) { left: 62.2%; animation-delay: -2.83s; animation-duration: 3.26s; --p-drift: -5px; --p-scale: 1.4; background: #ec4899; }
.particle:nth-child(7) { left: 14%; animation-delay: -2.74s; animation-duration: 4.41s; --p-drift: -33px; --p-scale: 0.97; backgroun
…

About Particle Effect Generator

Particle Effect Generator preview - Animation / CSS tool

Generate CSS-only particle animations (confetti, snow, stars). Part of the DevTools Surf developer suite. Browse more tools in the Animation / CSS collection.

Use Cases

Frontend developers adding celebration effects to success states
Marketing developers creating seasonal page decorations
Game UI developers building CSS-only ambient background effects
Event site developers adding festive confetti and sparkle effects

Tips

Limit particle count to under 50 for smooth CSS-only performance
Randomize animation-delay and duration for natural movement
Use pointer-events: none so particles don't block interactions

Fun Facts

Particle systems were introduced to computer graphics by William Reeves at Lucasfilm in 1983 for the Genesis effect in Star Trek II: The Wrath of Khan.
CSS-only particles use dozens of animated pseudo-elements and box-shadows — while GPU-accelerated, they can't match Canvas or WebGL particles which handle 10,000+ elements easily.
The confetti.js library by Kiril Vatev became a viral GitHub project because developers realized that adding confetti to success states increased user satisfaction measurably.

FAQ

CSS-only particles?: Yes — pre-generated DOM elements with CSS @keyframes animations. No canvas, no JS. Limited to simple effects (snow, confetti) but no performance cost for interaction.
How many particles?: Configurable — 20-100 is the practical range. Hundreds of animated elements strain the renderer. For dense effects, use canvas-based libraries (tsparticles).
What effects are available?: Confetti (falling with rotation), snow (slower, wobble), stars (twinkling), rain (streaks), hearts (rising). Plus custom particle SVG.
Will it slow down my page?: Small particle counts are cheap. Large counts with complex animations can cost 5-10% CPU on slower devices. Test on target devices.

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