CSS Inliner

Free

Moves all CSS rules from <style> blocks into inline style attributes — exactly what MailChimp, Gmail, and most email clients require. Preserves media queries for responsive layouts.

Drop your HTML file here

or click to browse · .html,.htm

or paste HTML directly

Preserve media queries Preserve :hover / :focus Remove <style> block after inlining Minify inlined styles

All processing happens in your browser. Your HTML never leaves your machine.