Turn an image into a Base64 data URL that you can embed straight into HTML, CSS or JSON.
Use the free Image to Base64
How to use Image to Base64
- Select your image.
- Check the preview and the generated Base64 string.
- Click Copy or download it as a text file.
Why use this tool
- Embed small images directly in HTML or CSS.
- Send images inside JSON for APIs.
- Generate data URLs without installing tools.
Your files stay on your device. Nothing is uploaded, no account is needed and there is no watermark.
Frequently asked questions
What is a Base64 data URL?
It is the image written as text, starting with data:image, so it can be placed inside code instead of a separate file.
Does Base64 make the image bigger?
Yes, it adds roughly one third to the size, so it suits small images.
Is my image uploaded?
No. The conversion happens in your browser.
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