Text tool

CSS Minifier and Formatter

Minify or format CSS.

Input
Choose a text, Markdown, HTML, CSS, or JavaScript file or paste text
Output
CSS files
Limits
1 file · 25 MB max

Processing runs on your device when supported. Network requests may load the app and supporting assets. Privacy details

Add your input

Your file stays in this browser.

Settings

Good to know1 file · 25 MB max
Choose a text, Markdown, HTML, CSS, or JavaScript file or paste textResult: CSS files
  • Your text stays in this browser while the tool runs.
  • Text previews are capped for responsiveness when output is large.
  • Minify mode uses a conservative whitespace and token cleanup and may not compress all edge-case CSS constructs.
  • If your stylesheet is heavily nested or syntax-complex, use Format mode for stable output.

How it works

How to use CSS Minifier and Formatter online

  1. Choose a text, Markdown, HTML, CSS, or JavaScript file or paste text. The tool validates the published file type and size limits before the run.
  2. 1 adjustable setting. Review these settings before processing.
  3. Run the tool in your browser, review the result, and download the css files.

Overview

CSS Minifier and Formatter with local-first browser processing

Minify or format CSS. Review supported input, output format, settings, browser requirements, and practical limits before starting.

Input

Choose a text, Markdown, HTML, CSS, or JavaScript file or paste text

Output

CSS files

Limits

1 file · 25 MB max

Best for

CSS Minifier and Formatter use cases

  • Prepare the css files for sharing, archiving, or another file workflow.
  • Process the job in your browser without creating an account.
  • Check the published limits before processing larger or unusual inputs: 1 file · 25 mb max.

Processing

What happens in your browser

PrivConvert uses prettier and native JavaScript for this workflow. 1 adjustable setting. No special browser capability is required for typical inputs

Your text stays in this browser while the tool runs.

Related tools

FAQ

CSS Minifier and Formatter questions

See how privacy works

Is CSS Minifier and Formatter free to use?

Yes. This tool is free to use in your browser and does not require an account.

Is processing local?

CSS Minifier and Formatter uses prettier and native JavaScript in the browser. Selected input is processed on your device when the required browser features are available. Application, library, model, security, and limited analytics requests may use the network.

What limits should I know about?

1 file · 25 MB max. Minify mode uses a conservative whitespace and token cleanup and may not compress all edge-case CSS constructs.