CSS Tools

About CSS Tools

CSS Tools is a free, browser-based developer tool on AltFTool. Format and minify CSS quickly in the browser. Everything runs in your browser, so you can use CSS Tools instantly — no signup, no install, and no uploading your data to a server.

Format and minify CSS quickly in the browser. Use CSS Tools online for Developer tasks with quick examples and copy-ready results.

How to use CSS Tools

1. Open CSS Tools on AltFTool — it loads instantly in your browser.
2. Add your code or data sample.
3. Choose the formatter, converter, or analyzer action.
4. Review the output and copy the final result.

Why use CSS Tools

• Debug a copied snippet

  Paste code, payloads, or commands from your editor and clean them before sharing. With CSS Tools, this stays fast and private in your browser.

• Prepare API payloads

  Convert, format, or inspect data before it goes into tests, docs, or requests. With CSS Tools, this stays fast and private in your browser.

• Review output quickly

  Use the generated result as a copy-ready starting point for your next task. With CSS Tools, this stays fast and private in your browser.

Frequently asked questions

Is CSS Tools free to use?

Yes. CSS Tools is available as a free online tool on AltFTool.

What can I use CSS Tools for?

Format and minify CSS quickly in the browser.

Does CSS Tools work on mobile?

Yes. CSS Tools is designed for modern desktop and mobile browsers.