No. Formatting, conversion and preview work happens in your browser.

What should I check before publishing?

Review syntax errors, warnings, rendered previews and minified output before pasting changes into production code.

Developer Tools / Local / No signup

CSS Formatter

Format CSS blocks and declarations for cleaner frontend handoff.

Format CSS rules, media queries and declarations with Prettier.

Input size

88 B

Output size

Saved

Ready. Run an action to update output.

Privacy: Runs locally in your browser. Your input is not uploaded to ToolsFam servers.

About, use cases, and privacy

CSS Formatter rewrites compact or messy stylesheets into consistent indentation that is easier to inspect, diff and paste into projects.

The work runs locally in your browser. Use the sample, review errors or warnings, then copy or download the result without signing in.

Yes. Prettier handles regular CSS blocks, nested at-rules and media queries.

Minify CSS by removing comments, whitespace and unnecessary spacing for smaller stylesheets.

Format HTML tags into readable nested markup for snippets and templates.

Design linear, radial and conic CSS gradients with live preview, presets and copyable CSS

Build layered CSS box shadows visually with live preview, inset mode and copyable CSS