Image to Base64 Converter

Convert an image to a Base64 data URL for HTML, CSS or JSON.

About this tool

Embed small images directly in code. Choose an image and copy the data URL or a ready-made HTML or CSS snippet.

How to use Image to Base64 Converter

  1. Choose an image.
  2. Pick the output format.
  3. Copy the Base64 string or snippet.

Frequently asked questions

When should I use Base64 images?

For tiny icons or email templates. Large images make pages heavier, so link them normally.

How much bigger is Base64?

About 33 percent larger than the original file.