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Image ↔ Base64

Convert an image to Base64 or turn an image data URL back into an image in your browser.

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About this tool

What is Image Base64?

Image Base64 converts an image into a Base64 data string and can preview supported Base64 image data. It is useful for developers, small embedded assets, testing and transferring image data as text.

How to use it

Three simple steps

  1. Choose an image to generate Base64, or paste supported Base64 image data.
  2. Copy the generated data string or review the preview.
  3. Use the output in your development or testing workflow.
Why use it

Built for quick everyday tasks

  • Convert small images into text data.
  • Preview Base64 image data quickly.
  • Useful for HTML, CSS and development testing.
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FAQ

Frequently asked questions

What is Base64 image data?

It is a text representation of binary image data that can be embedded in data URLs or transferred as text.

Does Base64 make an image smaller?

Usually no. Base64 encoding typically increases the amount of text data compared with the original binary file.

Should I embed large images as Base64?

Usually not. Base64 is more suitable for relatively small assets and specific development use cases.