Data Converters

Image to Base64

Convert images to Base64 encoded strings online. Get Data URI for use in CSS, HTML, and emails.

image to base64encode image base64base64 encode image online

How to Use Image to Base64

  1. 1Upload your image file.
  2. 2View the Base64 string in the output.
  3. 3Copy with the copy button or download as .txt.

Example

Input
logo.png (50KB PNG file)
Output
data:image/png;base64,iVBORw0KGgo...

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Frequently Asked Questions

What is Base64 encoding?+

Base64 is a way to represent binary data (like images) as ASCII text, safe for embedding in code or sending via text protocols.

When would I use an image as Base64?+

Embedding small images directly in HTML/CSS to avoid extra HTTP requests, or sending images in JSON APIs.

Does encoding increase file size?+

Yes, Base64 encoded data is about 33% larger than the original binary.

What formats are supported?+

All web image formats: JPG, PNG, GIF, WebP, SVG, BMP.

Is it secure?+

The file never leaves your browser — processing is 100% local.