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Image to Base64 Converter
Convert an image to a Base64 data URI for embedding directly in HTML, CSS or JSON.
How to use this tool
- 1Choose an image (JPG, PNG or WebP).
- 2Adjust the options if needed.
- 3Click Process & download.
Frequently asked questions
When should I embed images as Base64?+
Only for small images (under ~10 KB) like icons β it saves an HTTP request. Larger images are better served as files since Base64 adds ~33% size overhead.
Are my images uploaded anywhere?+
No β conversion happens locally in your browser using the Canvas API. Your images never touch a server, so private photos stay private.
Is my data private?+
Yes. The tool runs entirely in your browser β nothing you paste or type is uploaded to a server.
Learn more
- Image to Base64 Converter: when and why
- Best settings for image to base64
- image to base64 without losing quality