Beautify Code Online

JavaScript Minifier Online

Instantly minify your JavaScript code for faster load times.

Secure • Fast • 100% Free

Paste JavaScript below


          
          
        

Why Minify Your JavaScript?

Minification removes unnecessary whitespace, comments, and compresses your JavaScript code to drastically improve website load speed and reduce bandwidth. Smaller files mean faster downloads and better performance — essential in today’s web environment.

How to Use the Minifier

  1. 1

    Paste or type your unminified JavaScript code into the left input box.

  2. 2

    Click the Minify button to instantly compress the code.

  3. 3

    Copy the minified output using the “Copy Output” button or manually.

Frequently Asked Questions

Is my JavaScript code uploaded or stored anywhere?

No, all minification happens entirely in your browser, guaranteeing your code is never sent to a server or stored.

Can this tool handle large JavaScript files?

Yes, for typical use-cases it processes JavaScript files efficiently. Extremely large files may take more time depending on your device.

Is this minifier free?

Absolutely! This tool is free to use with no signup or subscription required.

Does this tool support ES6 and newer JavaScript features?

Yes, Terser fully supports modern JavaScript syntax and features, making it suitable for all recent codebases.