Websites · Mobile Apps · Web Apps & SaaS · AI
Home / Free tools

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 the Image to Base64

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

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.

Tell us what you need and we’ll reply with a clear, written quote. No pressure, no jargon.