CSS Tools

CSS Formatter

CSS Formatter — format CSS with clean indentation and spacing. It runs entirely in your browser, so your data is never uploaded and it works fully offline.

Client-sideRuns entirely in your browser — your data never leaves your device.

CSS Formatter is a free CSS Tools utility that runs entirely in your browser — nothing you enter is uploaded.

CSS input
Formatted CSS

How to use CSS Formatter

  1. Paste the CSS you need to format into the input box.
  2. Use the Indent setting to control the result.
  3. Watch the output update instantly while you adjust the CSS.
  4. When it looks right, Copy to save it.

About this tool

Everything CSS Formatter does happens on your own device. CSS Formatter works on your stylesheet locally and returns the result instantly.

Nothing about your stylesheet is uploaded. It behaves the same on desktop and mobile, with nothing stored remotely.

Frequently asked questions

What is CSS Formatter for?

Use CSS Formatter to format your input without installing anything using the Indent control; everything happens client-side.

Is CSS Formatter free to use?

Yes — CSS Formatter is completely free, with no usage limits.

Where is my data processed by CSS Formatter?

Entirely in your browser — CSS Formatter keeps your data on your own machine and sends nothing anywhere.

Does CSS Formatter support modern CSS syntax?

Yes. CSS Formatter handles current CSS in your browser and leaves your selectors and values untouched.

Can I use CSS Formatter without a connection?

Yes — after the first load CSS Formatter runs entirely offline.

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