JS/CSS Minifier

About JS/CSS Minifier

Compress your JavaScript and CSS files to reduce load times and improve web performance. Our minifier removes unnecessary whitespace, comments, and line breaks while preserving functionality, helping your pages load faster and reducing bandwidth usage.

How to Use

1. Paste your raw JavaScript or CSS code into the input area.
2. Select the correct mode ('JavaScript' or 'CSS') using the toggle.
3. Click 'Minify Code' to generate the condensed version.
4. Copy the minified output or use 'Download Minified File' for your production environment.

Common Use Cases

• Preparing code for production deployment to minimize asset sizes.
• Reducing the footprint of third-party libraries or custom scripts.
• Optimizing CSS files for faster rendering and improved SEO and Core Web Vitals.

Technical Details

Uses the SWC (Speedy Web Compiler) WASM-based engine for high-speed, reliable minification. 100% local processing ensures your source code remains private.

Frequently Asked Questions

What is minification?

Minification is the process of removing all unnecessary characters from code without changing its functionality, making it as small as possible.

Is minified code readable?

Generally, no. Minification is intended for machine execution. You should always keep your unminified source code for development.

100% Private & Secure

This tool runs entirely in your browser using client-side technology. Your files and data are never sent to a server, ensuring 100% privacy and speed.