Builder and reference

Base64 Image Data URL

Add the correct MIME prefix to raw Base64, or normalize and inspect an existing image Data URL.

What the prefix means

data: starts the URL, the MIME type describes the image, and ;base64, tells the browser how the following data is encoded.

Continue with the tool or reference that matches your next step.

Base64 images in HTMLUse a Data URL in an img element.Base64 images in CSSUse a Data URL as a background.Validate Base64Check the payload and file signature.