How to Create an SVG Favicon — Modern, Scalable Browser Icons
Create SVG favicons that scale perfectly on all displays, support dark mode, and replace the old favicon.ico — step-by-step implementation guide.
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SVG Favicon Implementation
Modern browsers (Chrome 80+, Firefox 84+, Edge 80+, Safari 16+) support SVG favicons natively. Add `<link rel='icon' href='/favicon.svg' type='image/svg+xml'>` to your HTML head. SVG favicons scale perfectly on all displays — from 16px to 256px for pinned tabs — without the pixelation of ICO files.
- `<link rel='icon' href='/favicon.svg' type='image/svg+xml'>`
- Keep ICO fallback: `<link rel='icon' href='/favicon.ico' sizes='any'>`
- SVG first, ICO fallback for IE/old browsers: place SVG link before ICO
Dark Mode SVG Favicons
SVG favicons support `prefers-color-scheme` media queries — your favicon can automatically switch between light and dark versions. Add a `<style>` block inside your SVG with `@media (prefers-color-scheme: dark) { ... }` to define the dark mode appearance of the favicon.
- Add `<style>` in SVG: `@media (prefers-color-scheme: dark) { .bg { fill: #1a1a1a; } }`
- Light mode favicon: dark icon on transparent background
- Dark mode favicon: light icon that remains visible on dark browser chrome
Frequently Asked Questions
What size should an SVG favicon be?
SVG is scalable so size doesn't matter technically, but design your favicon at 32×32 or 48×48 pixels viewport to verify legibility at small sizes. Simplify your logo or icon to work at 16px — remove fine details that disappear at small sizes. A simple lettermark or icon works better than a complex logo at favicon scale.
Do I still need favicon.ico if I have an SVG favicon?
Yes — keep a fallback favicon.ico for older browsers and legacy contexts. Use realfavicongenerator.net to generate a complete favicon package (SVG + ICO + PNG for Apple touch icon). Reference all three in HTML head with type attributes so browsers choose the best format they support.
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