CSS Minifier
Minify CSS files to reduce page load time
Minify CSS files to reduce page load time. Key features include Removes whitespace and comments and Shows size reduction percentage. Use it for everyday development and data tasks. All processing runs locally in your browser. Your files and text are not sent to Tool-web's server.
Encrypted with HTTPSProcessed in your browser
All processing runs locally in your browser. Your files and text are not sent to Tool-web's server.
Actions:
How to Use
- Paste your CSS code into the editor
- Click "Minify" to compress
- Compare original and minified sizes
- Copy or download the minified CSS
Features
- Removes whitespace and comments
- Shows size reduction percentage
- Preserves functionality
- Copy or download output
- Handles complex CSS
Frequently Asked Questions
Will minification break my CSS?
No. The minifier only removes unnecessary whitespace, comments, and formatting. All CSS functionality is preserved.
How much can CSS be reduced?
Typical reduction is 20-50% depending on how much whitespace and commenting is in the original code.
Does it support CSS3 features?
Yes. The minifier handles all modern CSS including CSS3 properties, animations, and variables.
What developer tools are available?
We offer JSON formatter, Base64 encoder/decoder, UUID generator, CSS minifier, JavaScript formatter, HTML previewer, regex tester, SQL formatter, and more tools.
Are these developer tools free?
Yes. Every developer tool is free, requires no sign-up, and runs entirely in your browser.
Is my code data safe?
All processing is client-side. Your source code, API keys, and data never leave your browser, keeping your intellectual property secure.
Do these tools support large files?
Yes. The tools handle large payloads efficiently. Very large files (10MB+) may take a moment to process depending on your device.
Can I use these tools offline?
Once the page is loaded, most tools work entirely in your browser without an active internet connection.
Privacy & Security
All processing happens entirely in your browser using client-side JavaScript. Your files and text are not uploaded to Tool-web's server.
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