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Image to Base64 Converter

Convert an image to a Base64 data URI for CSS and HTML. Free, private and instant.

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How to use the Image to Base64 Converter

  1. Choose your file using the file picker above. It stays on your device.
  2. Adjust any options that appear.
  3. Download the finished file.

About this tool

Encode a picture as a Base64 string or data URI to embed it directly in HTML, CSS or JSON.

Image to Base64 Converter is part of ToolStack Hub's Image Tools. It runs entirely in your browser, which keeps your data private and makes results instant. There is nothing to install, no account to create and no usage limit.

Frequently asked questions

Is the Image to Base64 Converter free?

Yes. Image to Base64 Converter is completely free with no sign-up, limits or watermarks.

Is my data private when I use the Image to Base64 Converter?

Yes. It runs in your browser, so your input is not uploaded to our servers.

Does it work on mobile?

Yes. ToolStack Hub tools work on phones, tablets and desktop browsers.

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