Encode Images to Base64 for CSS

Convert small images and icons to Base64 data URLs for embedding directly in CSS or HTML.

Sin necesidad de registro

Text to encode

CSS tips

🎨

Embed small SVG icons, favicons, or background images directly in your CSS as data URLs to eliminate extra HTTP requests.

📏

Only embed images under ~5 KB as Base64. Larger images increase CSS file size significantly and are better served as separate files.

💡

Base64 images in CSS look like: background-image: url("data:image/svg+xml;base64,PHN2Zy4uLg=="). Paste your encoded output after the comma.

⚡

For SVGs specifically, URL-encoding the raw SVG source is often more compact than Base64 — compare both before choosing.

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Enter your data into the tool above. Everything stays local to your browser.

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The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

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Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Completamente gratis — sin costes ocultos, nunca

✓Sin cuenta, correo ni registro requerido

✓Los archivos nunca salen de tu dispositivo

✓Sin límite de tamaño de archivo en absoluto

✓Sin marcas de agua en ningún resultado

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