Data URIs
What this is
A data URI is data:<mime>;base64,<payload>. Fine for <2KB icons. Large images bloat HTML, skip cache, and block rendering. Prefer files plus Cache-Control for anything a CDN should serve.
Open the encoder — UTF-8 and base64url, no upload.
FAQ
- SVG?
- SVG can be a data URI as utf8 or base64. utf8 needs URL-encoding of # and quotes if used in CSS.