Image Base64 Encoder

Encode images to base64 data URLs for embedding in HTML, CSS, or JSON. Also decodes base64 strings back to image files. 100% browser-based, no upload.

Image Base64 Encoder

Encode images to base64 data URLs, or paste base64 to render and download.

How to Use the Image Base64 Encoder

  1. 1Upload or drag the image you want to embed.
  2. 2The Base64 data-URI generates instantly with the size overhead shown.
  3. 3Copy the URI for CSS backgrounds or the full data-URI img tag for HTML.
  4. 4Paste directly into your stylesheet or markup — no external file needed.

Frequently Asked Questions