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Image to Base64 Converter — Data URL Generator

Free image to Base64 converter. Turn an image into a Base64 data URL for HTML, CSS or JSON, with ready-to-copy code snippets.

Runs in your browser — your data is never uploaded.

About this image tool

Embed small images directly in HTML, CSS or JSON by converting them to a Base64 data URL. Choose an image and copy the data URL, an HTML img tag or a CSS background snippet. Best used for small icons — large images become bulky when encoded.

How to use

How to use the Image to Base64

  1. Choose an image.
  2. Copy the data URL or a ready-made snippet.
  3. Paste it into your code.
FAQ

Image to Base64 — frequently asked questions

What is a data URL?

A URL that contains the file data itself, starting with data:image/png;base64,.

When should I use it?

For tiny icons or inline images in emails; avoid it for large photos.

Does Base64 increase size?

Yes, by roughly one third compared with the original file.

Have an idea? Let’s build it.

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