What is code minification?

Minification is the process of removing unnecessary characters from source code without changing its functionality. This includes removing whitespace, newlines, comments, and shortening variable names.

Why should I minify my code?

Minified files are smaller, which means they download faster. This improves your website's load time, user experience, and SEO rankings. It also reduces bandwidth usage.

Is minification safe?

Yes. Minification only changes the visual representation of the code, not its logic. However, it makes the code hard for humans to read, so you should always keep your original source files for editing.

Can I reverse minification?

You can 'beautify' or format minified code to make it readable again (add indentation), but lost comments and original variable names (if mangled) cannot be recovered.

Does this tool support ES6+?

Yes, our JavaScript minifier supports modern JS syntax. However, for complex production builds, we recommend using a build tool like Webpack or Vite.

Code Minifier

Optimize your web assets. Minify HTML, CSS, and JavaScript code to boost performance.

Code Minifier

Minify HTML, CSS or JS with a basic client-side minifier.

Speed Up Your Website

In the modern web, speed is everything. Users expect pages to load instantly, and search engines like Google use page speed as a ranking factor. One of the easiest wins for performance is Code Minification.

Our Code Minifier strips away the "fat" from your code—comments, spaces, line breaks—leaving only the lean, machine-readable instructions that the browser needs.

How Minification Works

Before (Source Code)

Easy for humans to read and maintain.

/* Header Styles */
.header {
  background-color: #ffffff;
  color: #333333;
  padding: 20px;
}

After (Minified)

Optimized for browsers to parse.

.header{background-color:#fff;color:#333;padding:20px}

Result: The file size is reduced by removing 50+ characters, but the browser renders it exactly the same way.

Supported Languages

HTML Minifier

Removes whitespace between tags, collapses boolean attributes, and removes comments. Great for reducing the initial payload of your pages.

CSS Minifier

Removes whitespace, strips comments, and optimizes color values (e.g., converting #ffffff to #fff). Essential for faster rendering.

JavaScript Minifier

The most aggressive minification. Removes whitespace/comments and can also shorten local variable names (e.g., converting var count = 0; to var a=0;) to save maximum space.

Minification vs. Compression (Gzip/Brotli)

People often confuse minification with server-side compression. You should use both:

Minification: Removes unnecessary characters from the code itself. (Done by you/developer).
Compression (Gzip/Brotli): Server-side compression further reduces the size of files during network transfer.
Use both: Best practice is to minify assets and serve them with Gzip or Brotli to maximize savings.