Image to Base64

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About Image to Base64

Image to Base64 converts any image into a Base64 data URL. It is useful when you need to embed an image directly in HTML, CSS or JSON without a separate file.

How to use it

Upload an image. The Base64 string appears and can be copied.

Common use cases

Embedding icons in CSS. Sending images in JSON payloads. Building data URLs.

Sometimes an image is easier to carry embedded than as a separate file — a small icon you want inside a CSS sprite or an HTML email that must work without pulling assets from a server. This tool converts any image into a Base64 data URL, a long text string that contains the whole image, so you can paste it directly into HTML, CSS, JSON or your code.

Working in your browser means the image never leaves your device,and the encoded result appears instantly for you to copy.

How to Convert Image to Base64

Upload the image you want to embed.
The Base64 data URL appears onset, ready to copy.
Paste it where you need the inlined asset — an img src, a CSS background, a JSON payload or a template.

Practical Use Cases

Embed small icons directly in CSS or SVG, self-contained HTML emails that must not depend on external image requests, send a single image inside a JSON API response, and prototype pages that need no asset files while you iterate.

Base64 encoding — common questions

Does Base64 make the image larger?

Yes. Base64 inflates binary data by roughly a third. That is why it suits small assets like icons and logos; for photos, hosting a normal image file is far more efficient.

Is my image uploaded to a server?

No. Encoding runs entirely in your browser, so the image you convert stays on your device.

What can I do with the output?

The data URL works anywhere an image URL works — as an img or CSS source, inside an HTML email, or as a field in a JSON payload that carries a small image along with its data.