CSS Minifier & Beautifier – Optimize & Format CSS Code

A CSS minifier removes unnecessary characters (spaces, comments, line breaks) from CSS code to reduce file size and improve load performance.

A CSS beautifier formats code by adding indentation, line breaks and spacing so it’s easier to read, debug and maintain.

Yes — it is free to use and does not require registration.

Yes — all processing happens in your browser and your input is not stored on our servers.

Input CSS: Output:

🔑 Key Features & Benefits

Minify CSS — Remove whitespace, comments and line breaks to reduce file size and improve loading speed.
Beautify CSS — Format your stylesheet for readability and easier maintenance.
Instant Results — Get processed code in seconds without needing to upload files.
Faster Page Load Times — Smaller CSS files help reduce render-blocking and speed up page rendering.
Reduced Bandwidth Usage — Smaller file size means less data transfer and cost savings for hosting.
Better Maintainability — Beautified CSS makes debugging and collaboration easier.
Secure & Private — All processing happens locally in your browser; your code remains private and is not stored on the server.

Web developers optimizing CSS files for production deployment.
Front-end engineers formatting legacy or third-party CSS to improve readability.
SEO specialists reducing CSS payload to boost page speed metrics and rankings.
Teams collaborating on CSS code with consistent formatting and style guidelines.
Students and learners practicing CSS and exploring best practices in coding style and efficiency.

What is a CSS minifier?
A CSS minifier removes unnecessary characters from your stylesheet to shrink file size and boost performance. :contentReference[oaicite:4]{index=4}
What does a beautifier do?
It formats code by adding proper spacing, line breaks and indentation so it’s more readable and easier to maintain.
Is this tool free to use?
Yes — no registration required and completely free.
Is my CSS code safe?
Yes — all processing happens in your browser; your code is not uploaded to any server.
Will minifying my CSS affect how it works?
No — a properly implemented minifier removes only whitespace and comments, without altering functionality. But always test after minifying.