Image to Base64 Converter Online

What is Image to Base64?

Base64 encoding converts images into text strings that can be embedded directly in HTML img src or CSS background-image. This reduces HTTP requests, ideal for small icons and decorative images.

How to Use

  1. Select or drag an image file.
  2. The tool automatically converts it to a Base64 encoded string.
  3. Click "Copy" to copy the Base64 string.
  4. Or download as a text file.

Features

  • Browser-local conversion
  • PNG/JPG/WebP/GIF support
  • Live preview
  • One-click copy
  • One-click download
  • Privacy-safe
  • No signup
  • Completely free

FAQ

What is Base64 encoding?

Base64 is a method to encode binary data (like images) into ASCII strings. The encoded string can be embedded directly in HTML or CSS, reducing HTTP requests.

Will my images be uploaded to a server?

No! All conversion happens locally in your browser. Your images are never uploaded to any server.

Does Base64 encoding increase file size?

Yes, Base64 encoding increases data size by approximately 33%. However, it's ideal for inline embedding of small icons, reducing HTTP request counts.