Question 1

What is a Data URI?

Accepted Answer

A Data URI is a base64-encoded string that embeds image data directly in HTML, CSS or JSON. It eliminates the need for separate image files by including the image inline as text.

Question 2

When should I use Data URIs?

Accepted Answer

Data URIs are useful for small icons, favicons, CSS background images, email templates and reducing HTTP requests. Avoid using them for large images as they increase file size by about 33%.

Question 3

What image formats are supported?

Accepted Answer

This tool supports PNG, JPG/JPEG, WebP, GIF, SVG, BMP, ICO and AVIF. The output format matches your input automatically.