CSS Formatter
Format and beautify CSS into clean, readable output in one click.
Workspace
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Free online CSS Formatter
Format and beautify CSS into clean, readable output in one click. The Tools4U CSS Formatter is part of our Developer Tools collection of Code Formatting utilities. It works online in any modern browser — no download, no sign-up and no file upload, so your data never leaves your device.
How to use
Using CSS Formatter in three steps
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1
Add your input
Paste text, drop a file, or type directly into the workspace.
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2
Run the tool
Choose the options you need and press the action button.
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3
Copy or download
Take the result with one click — nothing is stored anywhere.
Features
Why people use this tool
Instant results
Everything runs locally, so results appear as you type.
Privacy-first
Your input never leaves the browser. No uploads, no logs.
Handles big inputs
Comfortable with large files and long documents.
Always free
No account, no limits, no watermark on results.
FAQ
Frequently asked questions
Is CSS Formatter free to use?
Is my data uploaded to a server when I use CSS Formatter?
Can I use CSS Formatter on mobile?
Do I need to install any software to use CSS Formatter?
Keep going
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