Free Code Minifier Online
Minify JavaScript, CSS, and HTML code to reduce file sizes and improve website performance. Advanced compression with detailed statistics.
Uses industry-standard minification libraries: Terser for JavaScript and CleanCSS for stylesheets.
Get comprehensive statistics showing original size, minified size, and compression percentage.
All minification happens in your browser. Your code never leaves your device.
Web Performance
- • Reduce file sizes for faster loading
- • Optimize JavaScript bundles
- • Compress CSS stylesheets
- • Minimize HTML for production
- • Improve Core Web Vitals
Development Workflow
- • Build process optimization
- • CDN preparation
- • Production deployment
- • Code obfuscation
- • Bandwidth optimization
What minification libraries are used?
We use Terser for JavaScript (industry standard), CleanCSS for CSS optimization, and custom algorithms for HTML compression.
Is my code sent to your servers?
No, all minification happens locally in your browser using client-side JavaScript. Your code never leaves your device.
Can minified code break my application?
Minification preserves functionality while reducing size. However, always test minified code in your environment before production use.
What's the typical compression ratio?
JavaScript typically compresses 20-40%, CSS 15-30%, and HTML 10-25%, depending on the original code structure and comments.
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