Code Minifier

What Does This Tool Do?

It makes code smaller by removing comments, line breaks and unnecessary spaces, without changing what the code does. It works on CSS and C-style languages such as JavaScript, PHP, Java and C#. Quoted strings are copied exactly as written, so spaces and comment-like text inside them are safe.

Why Use This Tool?

It is handy for one-off jobs where no build tool is set up: a snippet for a CMS field, an embed code, an email template's CSS, or a quick check of how much smaller a file could be.

How to Use It

1. Paste your code.
2. Click Minify.
3. Copy the result - the size saving is shown above it.

Limitations

It removes whitespace and comments only; it does not shorten variable names or remove unused code. A line break between two statements is kept when removing it could change how JavaScript is read, so the output may keep a few line breaks. For HTML and JSON, use the dedicated HTML and JSON minifiers.

Example

CSS such as:

/* buttons */
.btn {
    padding: 12px 20px;
    border-radius: 8px;
}

minifies to:

.btn{padding:12px 20px;border-radius:8px;}

What It Removes

• Block comments (/* ... */) and line comments (// ...).
• Line breaks, indentation and extra spaces around { } ; : ,.
• Nothing inside quoted strings - their contents are left untouched.

It works on CSS and C-style code such as JavaScript, PHP, Java and C#. For other formats, use the dedicated tools: the HTML Minifier, the JSON Minifier and, for the safest JavaScript result, the JavaScript Minifier.

When to Minify Here vs in a Build

For a website you maintain, a build step (Vite, webpack, esbuild, Laravel Mix) should minify automatically on every deploy. This tool suits one-off jobs: a snippet for a CMS, an email template, an embed code, or a quick size check. Whatever you choose, server compression (gzip or Brotli) saves even more - check yours with the GZIP Checker.

Make minified code readable again with the Code Beautifier.