HTMLImage to Base64
Convert any image (PNG, JPEG, GIF, SVG, WebP) to a Base64-encoded data URI. Drag and drop or browse. Useful for embedding images directly in HTML, CSS, or JSON without external file references.
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When should I use base64 images?
For small icons and logos embedded in CSS or HTML to avoid extra HTTP requests. Avoid for large images — base64 increases file size by ~33% and prevents caching.
Is the image uploaded to a server?
No. The conversion happens entirely in your browser using the FileReader API. Your image never leaves your machine.