Image to Base64 Converter

Upload an image to get its Base64 string, HTML <img> tag, and CSS background

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Convert Image to Base64

The Image to Base64 Encoder helps you convert images to Base64 strings effortlessly. Copy the Base64 string to your clipboard or download it for use in web development projects.

Whether you’re optimizing performance, embedding small icons directly into your website, or working on email integrations, this tool is perfect. Base64-encoded images can be used within emails (MIME format), and all modern browsers support rendering Base64 images seamlessly.

Why Use the Image to Base64 Converter?

  • Supports all image formats – PNG, JPEG, GIF, and more.
  • Upload limit of 4 MB for image files.
  • Generates HTML – Use the Base64 string as the image source (<img> tag) in your website code.
  • Generates CSS code – Embed the image in your site with a Base64-encoded background.
  • Simple file upload – Click the "Upload Image" button and choose your file to begin the conversion.
  • Cross-platform compatibility – Works seamlessly on Windows, Mac, Linux, and on all major browsers including Chrome, Firefox, Safari, and Edge.

How Does the Image to Base64 Converter Work?

The converter uses the Base64 algorithm to generate a Base64-encoded string directly from your image using JavaScript. This process happens entirely on your device without sending the image to the server.

This tool is completely safe and secure – the image never leaves your browser.