How do I use the CSS Minifier?

Enter or paste your input value, select the source and target formats, then click Convert. The result appears instantly. All conversions run locally in your browser — no data is sent to any server.

Is the CSS Minifier free to use?

Yes, this tool is completely free with no signup required. Everything runs locally: Mode and Preserve !important are processed on your device, never sent to a server — your data is never uploaded to any server, ensuring complete privacy and security.

Is there a file size limit for the CSS Minifier?

Since all conversions happen locally in your browser, the limit depends on your device's memory. Most typical inputs are processed instantly. Very large files may take longer but will still work without server upload.

🎨 CSS Minifier

💡 How to Use

Paste your CSS code into the input area
Choose compression mode (Standard/Aggressive)
Click "Minify CSS" to get the compressed result
Click "Copy" to copy the minified code
Click "Download" to save as .min.css file

⚙️ Compression Strategy

Remove all comments (/* ... */)
Remove unnecessary whitespace and newlines
Shorten hex colors (#ff0000 → #f00)
Merge same-selector rules
Remove unnecessary semicolons and quotes
Aggressive mode removes trailing semicolons

🔒 Privacy

Everything runs locally: Mode and Preserve !important are processed on your device, never sent to a server
Your CSS never leaves your device
No registration required

🎨 CSS Minifier

📥 Input CSS Code

📊 Compression Stats

📤 Output

💡 How to Use

⚙️ Compression Strategy

🔒 Privacy

📦 Recommended Tools

🎨 CSS Minifier

📥 Input CSS Code

📊 Compression Stats

📤 Output

💡 How to Use

⚙️ Compression Strategy

🔒 Privacy

📦 Recommended Tools

🔗 Related Tools