Image to Base64
Encode images to Base64 data URIs for CSS and HTML.
Processing and privacy
Processing varies by tool. Check the instructions for local processing, server requests, external services and any file or request limits before entering sensitive information.
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Image to Base64
Encode an image into a data URI and ready-to-use CSS or HTML snippets.
- 1 Choose an image from your device.
- 2 Review the Data URI, CSS background and HTML tag outputs.
- 3 Copy the appropriate output into your document or stylesheet.
Example and practical tips
Use a small icon as a CSS background data URI when embedding it inline is appropriate.
Frequently asked questions
Does Base64 reduce image size?
No. Encoding generally expands the data and can make HTML or CSS larger. Optimize the image first.
Is the encoded image private or encrypted?
No. Anyone who can read the data URI can decode the image.
Practical guides
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How to Use Image to Base64
Convert images to Base64 data URIs online and get ready-to-paste CSS and HTML snippets. Free image to Base64 encoder that works in your browser.
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