Keycap 4 Favicon
emoji favicon for any website. SVG, ICO, and PNG formats. Served from a global edge network in one HTTP request.
✨ Customize (change shape, color, animation) →Install in your framework
Pick your stack, copy, paste. Works everywhere.
<!-- Paste into <head> --> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4" /> <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4" />
<!-- Auto-adapt favicon for system light/dark mode --> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4?bg=ffffff&shape=rounded" media="(prefers-color-scheme: light)" /> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4?bg=0a0a0a&shape=rounded" media="(prefers-color-scheme: dark)" /> <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4" />
<!-- index.html --> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4" /> <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4" />
// app/layout.tsx
export const metadata = {
icons: {
icon: 'https://emojifavicons.com/keycap-4',
apple: 'https://emojifavicons.com/apple-touch-icon/keycap-4',
},
};<!-- index.html (Vite) or nuxt.config.ts --> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4"> <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4">
<!-- src/layouts/BaseLayout.astro --> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4" /> <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4" />
<!-- src/app.html --> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4" /> <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4" />
// Add to functions.php
add_action('wp_head', function () {
echo '<link rel="icon" href="https://emojifavicons.com/keycap-4" type="image/svg+xml">';
echo '<link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4">';
});<!-- layout/theme.liquid --> <link rel="icon" type="image/svg+xml" href="https://emojifavicons.com/keycap-4"> <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4">
Variant previews
Tap any variant to copy its link, HTML tag, or CSS cursor. ?shape=circle&bg=1a1a1a.
What does the Keycap 4 4️⃣ emoji mean?
The Keycap 4 emoji 4️⃣ is a keycap 4 symbol, part of Unicode's Symbols category. It is used for emphasis, warnings, category markers, or decorative emphasis in titles and captions. Symbol emojis age well — their meaning stays consistent across years and platforms, unlike trendier face emojis.
Common uses
- Emphasis and warnings in captions
- Category markers in lists
- Decorative typography in titles
- Timeless replacements for text icons
Keywords
Unicode
| Name | Keycap 4 |
|---|---|
| Glyph | 4️⃣ |
| Codepoints | U+0034 U+FE0F U+20E3 |
| Category | Symbols |
| Shortcode | :keycap_4: |
| Slug | keycap-4 |
Keycap 4 favicon by framework
Step-by-step install guides.
Related Symbols favicons
Frequently asked questions
How do I use 4️⃣ as a favicon?
Add one line to your HTML <head>: <link rel="icon" href="https://emojifavicons.com/keycap-4">. The Keycap 4 favicon is served as an SVG from a global edge network and works in every modern browser.
Does the Keycap 4 favicon work on Safari and iOS?
Yes. The SVG is served to Chrome, Firefox, Edge, Opera, and Brave. Safari receives an automatically converted PNG. For iOS home-screen icons, also add <link rel="apple-touch-icon" href="https://emojifavicons.com/apple-touch-icon/keycap-4">.
Can I customize the Keycap 4 favicon (shape, background, size)?
Yes. Append query parameters: ?shape=circle&bg=f59e0b&size=64. Supported shapes include circle, rounded, hexagon, diamond, squircle, shield, and badge. Sizes 16–512 are supported.
What is the Unicode codepoint of 4️⃣?
The Keycap 4 emoji 4️⃣ is encoded as U+0034 U+FE0F U+20E3. You can reference it in HTML as 4 or in CSS as content: "\0034";.
Does the Keycap 4 favicon adapt to dark mode?
By default the SVG is transparent and works on any background. For dark-mode–specific variants, serve two <link> tags with media="(prefers-color-scheme: dark)" and different ?bg= values.
What does the Keycap 4 emoji mean?
The Keycap 4 emoji 4️⃣ is a keycap 4 symbol, part of Unicode's Symbols category. It is used for emphasis, warnings, category markers, or decorative emphasis in titles and captions. Symbol emojis age well — their meaning stays consistent across years and platforms, unlike trendier face emojis.