$megatools --data-url-studio --asset-inline▊

Base64 Data URL & Asset Embedder

Transform images, fonts, SVGs, and files into RFC 2397 Data URLs, CSS background-image rules, and HTML elements.

Active: sample-badge.svg (image/svg+xml)

📦

Drop image, font, SVG, or document to encode

Supports PNG, JPG, WebP, SVG, WOFF2, TTF, JSON, PDF (Zero server upload)

> EMBEDDING_CODE_SNIPPETSVisual Preview Active

sample-badge.svgMIME: image/svg+xml · 317 bytes

RFC 2397 Data URL:

data:image/svg+xml;base64,

CSS background-image rule:

background-image: url('data:image/svg+xml;base64,');

HTML <img> Element:

$ cat tips.txt

FileReader API & Base64 Encoder

1Upload or drop any file (PNG, JPG, SVG, WOFF2, JSON) or paste raw text
2Inspect the generated RFC 2397 Data URI with auto-detected MIME type
3Check original file size, encoded Base64 size, and transmission overhead percentage
4Copy as raw Data URL, CSS background-image snippet, or HTML <img> element

Original Size:0.31 KB (317 B)

Data URI Size:0.03 KB (26 B)

Size Overhead:+-92%

MIME Type:image/svg+xml

•Data URLs eliminate additional HTTP roundtrips by inlining small assets directly into CSS or HTML
•Base64 encoding introduces a ~33.3% payload size expansion due to 6-bit grouping
•Ideal for small icons, favicons, critical SVG graphics, and offline web apps

Input

icon.svg (1.2 KB)

Output

data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmci... (+33% overhead)