Image to Base64 & Data URI Generator

How do I convert an image to Base64?

Drag and drop your image or click to browse. The Base64 string, Data URI, and code snippets appear instantly. Copy whichever format you need.

How do I embed an image in HTML without a file URL?

Convert to Base64, copy the HTML snippet. Paste the img tag directly into your HTML. The image data is inline - no external file needed.

How do I use Base64 image as CSS background?

Convert your image, copy the CSS snippet. Paste into your stylesheet. The background-image uses a data URI with embedded Base64.

What size images should I embed as Base64?

Recommended under 10KB for embedding. Larger files bloat your HTML/CSS. Icons and small logos are ideal. Large photos should use regular URLs.

What is the difference between Base64 and Data URI?

Base64 is just the encoded string. Data URI includes the MIME type prefix (data:image/png;base64,...) making it ready for HTML/CSS use.

Can I convert SVG to Base64?

Yes. SVGs work great as Base64 and remain scalable. The tool detects SVG and uses the correct MIME type (image/svg+xml).

Why embed images as Base64?

Reduces HTTP requests, improving page load for small images. Ideal for critical above-the-fold images, icons, and logos. Adds no external dependencies.

What image formats can I convert?

PNG, JPG, SVG, GIF, WebP, and BMP. Any image format your browser can display works. The MIME type is auto-detected.