How to Animate SVG — Beginner Guide
Animate SVG files for the web using CSS animations. Learn the key techniques: spinning, fading, path drawing with stroke-dashoffset, and hover effects.
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CSS SVG Animation — Key Techniques
CSS can animate many SVG properties without JavaScript. The most popular SVG animation effects:
- Spin: rotate(360deg) in CSS @keyframes on an SVG element
- Fade in: opacity: 0 to 1 animation
- Path drawing: stroke-dashoffset animation (the iconic 'draw' effect)
- Color change: fill or stroke color transition on hover
- Scale pulse: scale(1) to scale(1.05) keyframe animation for a heartbeat effect
SVG Path Drawing Animation (stroke-dashoffset)
The 'drawing' animation effect — where a path appears to draw itself — uses stroke-dasharray and stroke-dashoffset.
- 1. Get the path length: pathElement.getTotalLength() in JS
- 2. Set stroke-dasharray: path { stroke-dasharray: 500; }
- 3. Start with dashoffset equal to path length: stroke-dashoffset: 500;
- 4. Animate to 0: @keyframes draw { to { stroke-dashoffset: 0; } }
- 5. Apply: animation: draw 2s linear forwards;
- Result: path appears to draw from start to end over 2 seconds
Frequently Asked Questions
Do I need JavaScript to animate SVG?
No — CSS handles most SVG animation (spin, fade, path drawing, color change). JavaScript (or GSAP) is needed for complex timeline control, path morphing, or scroll-triggered animations.
Can I animate an SVG exported from imagetosvg.com?
Yes — the SVG paths from imagetosvg.com can be animated with CSS or GSAP. Add class names or IDs to the SVG paths in Inkscape, then reference them in your CSS animation rules.
What SVG properties can CSS animate?
fill, stroke, stroke-width, stroke-dashoffset, opacity, transform (translate, rotate, scale), and cx/cy/r on circle elements. Not animatable via CSS: d (path data), clip-path changes.
How do I make an SVG logo animate on page load?
Add a stroke-dashoffset animation to each path of the logo — paths draw in sequence. Use animation-delay to stagger each path. The result is a professional 'signature' logo reveal animation.
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