Free Image to Base64 Encoder Online
Use this free image to Base64 encoder to turn images into a Base64 data URI. Fast, private, and works in your browser.
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What is Image to Base64?
Image to Base64 converts an image into a Base64 data URI you can paste directly into HTML, CSS, or code. It is useful for embedding small icons without a separate file request. Encoding happens in your browser.
How to use this tool
- Upload an image.
- Copy the generated Base64 data URI.
- Paste it into your HTML or CSS.
Features
- Convert any image to a Base64 data URI
- Copy the data URI
- Ready-to-use img/CSS snippet
- Best for small images
- Runs entirely in your browser
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
When should I use Base64 images?+
For small icons or inline assets where avoiding an extra request helps. Large images are better as files.
Why is the output larger than the file?+
Base64 adds about 33% overhead compared with the binary file size.
Is my image uploaded?+
No. Encoding happens in your browser.
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