Image to Base64 Converter

Convert images to Base64 strings for web development

Upload Image

Select an image file to convert to Base64 format

How to Use Base64 Images

HTML

<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA..." alt="Image" />

CSS

background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...');

Use Cases & Benefits

Use Cases

  • • Embed images directly in HTML/CSS
  • • Reduce HTTP requests
  • • Email templates with inline images
  • • Data URIs for small icons
  • • Offline web applications

Considerations

  • • Base64 increases file size by ~33%
  • • Best for small images (<10KB)
  • • Cannot be cached separately
  • • Not suitable for large images
  • • Increases HTML/CSS file size