What is a Base64 Data URI?

A Data URI is a URI scheme that allows inclusion of data in-line in web pages as if they were external resources using base64 encoding.

Why encode images in Base64?

Inlining small icons or splash graphics directly in HTML/CSS eliminates separate HTTP server requests, reducing page load latency.

Yes, Base64 encoding increases file payload size by approximately 33% compared to raw binary.

No! All encoding is performed entirely in your browser using the HTML5 FileReader API.

Select an image file (JPG, PNG, WebP, or SVG).

Review the image preview and computed file size.

View Base64 Data URI, HTML <img> tag, or CSS background syntax.

Click the copy button beside your desired code snippet.

Converts images into standard Base64 Data URI format

Generates pre-formatted HTML <img> tags

Generates CSS background-image syntax

100% client-side execution via FileReader API

One-click copy to clipboard

Base64 embedding is great for small icons and logos to reduce HTTP request overhead.
Avoid Base64 for large photos as it increases data size by approximately 33% compared to binary.

Encode text and strings to Base64 format online using UTF-8 encoding.

Upload any image and click pixels to extract exact HEX and RGB color codes.

Compress JPG, PNG, and WebP images online in your browser without uploading.