Image Converters

Image to Base64 Online

Use Image to Base64 to convert an uploaded image into a Base64 data URI. The image stays on your device, the result is generated in your browser, and you can download a Base64 image data URI.

Ready for CSS or HTML embed Browser-only — no upload Copy data URL instantly

Drop your Image file here

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All image processing uses your browser's Canvas API — files never leave your device

How to use it

  1. 1 Choose an image file or paste image data when the tool asks for it.
  2. 2 Adjust quality, dimensions, background, crop, or size options if shown.
  3. 3 Run the image tool in your browser.
  4. 4 Preview the result, then copy or download the generated file.

Use cases

  • Prepare images for websites, documents, and favicons
  • Resize or compress images before sharing
  • Convert image formats without installing desktop software

Limitations

  • Base64 output is larger than the original binary file and is best for small assets.
  • Browser canvas export may remove embedded metadata and color profile information.
  • Very large images depend on available browser memory and device performance.

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FAQ

Does Image to Base64 upload my image?

Your file is processed in your browser and is not uploaded.

What does Image to Base64 create?

It creates a Base64 image data URI. Base64 output is larger than the original binary file and is best for small assets.

Will Image to Base64 preserve every image detail?

Format conversion, resizing, compression, and browser canvas export can change metadata, color profiles, transparency, or exact encoding details. Review the result before using it.