Image to Base64 Converter
Convert images to Base64 data URIs for embedding in code and CSS
Choose an image file
or drag and drop it here
• Embedding images directly in HTML/CSS
• Creating self-contained email templates
• Reducing HTTP requests for small images
• Creating offline-capable web applications
• Storing images in databases as text
• Use for small images (< 10KB) to avoid bloat
• Consider compression before conversion
• Use WebP format for better compression
• Cache Base64 strings to avoid re-encoding
• Test loading performance with large images
About Image to Base64 Converter
Convert any image to a Base64 data URI that you can embed directly in HTML, CSS, or JavaScript. Eliminates separate image files and HTTP requests for small graphics.
Base64 encoding converts binary image data to text, allowing you to embed images directly in code. Perfect for icons, logos, and small graphics where avoiding extra HTTP requests improves performance.
How to use Image to Base64 Converter
Drag and drop an image or click to browse.
View the image preview and file info.
The Base64 data URI is generated automatically.
Copy the full data URI for use in code.
Paste into HTML src, CSS url(), or JavaScript.
Examples
HTML image embedding
Use Base64 directly in an img tag:
<img src="data:image/png;base64,iVBORw0KGgo..." /> The entire image is in the HTML—no separate file. Browser renders it directly from the code.
CSS background image
Embed in stylesheets for icons and patterns:
.icon {
background-image: url(data:image/svg+xml;base64,...);
width: 24px;
height: 24px;
}
Icon loads instantly with CSS—zero extra requests.JavaScript usage
Store images as strings in your code:
const logo = "data:image/png;base64,iVBORw0K...";
document.getElementById('logo').src = logo;
Useful for dynamic image loading,
canvas operations, or bundled apps.Features
When to use this
- •Embedding icons directly in CSS
- •Single-file HTML documents
- •Email templates with inline images
- •Reducing HTTP requests for small images
- •Storing images in JSON or databases
- •Creating self-contained code demos