🖼️ Image to Base64 Converter

📚 User Guide

What is Base64 Image?

Base64 is a method to encode binary data as ASCII strings. Images converted to Base64 can be embedded directly in HTML, CSS, or JSON without separate image files.

Data URL Format

data:[MIME type];base64,[Base64 encoded data]

Example:
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...
                

Use Cases

• Embed small icons and logos in CSS
• Reduce HTTP requests
• Embed images in emails
• Transmit images in JSON APIs
• Export Canvas images

HTML Usage Example

<img src="data:image/png;base64,iVBORw0KGgo..." alt="image">
                

CSS Usage Example

.logo {
  background-image: url(data:image/png;base64,iVBORw0KGgo...);
}
                

Pros and Cons

Advantages:

• Reduce number of HTTP requests
• No separate image files needed
• Easy to transfer and store
• Avoid cross-origin issues

Disadvantages:

• Encoded size increases by ~33%
• Not cacheable
• Large images affect page load
• Not SEO-friendly

Best Practices

• Use only for small images (< 10KB)
• Common icons are suitable for Base64
• Use CDN for large images
• Consider browser caching strategy