What does the JavaScript Minifier do?

The JavaScript Minifier removes comments, extra spaces and line breaks from your JS code to reduce file size and improve loading speed.

What does the JS Beautifier do?

The JS Beautifier (formatter) takes messy or minified JavaScript and formats it with indentation and line breaks so it is easier to read and debug.

Is this JavaScript tool free?

Yes, the JavaScript Minifier & Beautifier is completely free to use in your browser, with no signup or watermark.

Will minifying JavaScript change how my website works?

Correctly minified JavaScript should behave the same as the original. Always test your production bundle after minification, especially for complex code.

JavaScript Minifier & Beautifier

Minify JavaScript for faster loading or beautify JS for clean, readable code. Paste your JS or upload a .js file and choose the action.

JavaScript Code (Input)

OR upload a .js file:

Action

Tip: Use Minify for production builds and Beautify when you need to debug or study third-party scripts.

Minified JS (Output)

Why use a JavaScript Minifier & Beautifier?

Minify JS to reduce file size, improve loading speed, and help Core Web Vitals.
Beautify JS to make compact or obfuscated code easier to read and debug.
Ideal for developers, SEO specialists, and performance-focused teams.

How to use this tool

Paste your JavaScript or upload a .js file.
Choose Minify or Beautify / Format.
Click the button and copy the result with one click.

Online JavaScript Tool for Developers

This free JS Minifier & Beautifier runs directly in your browser and is perfect for optimizing front-end bundles or inspecting third-party scripts. It keeps your code functionally identical while changing spacing and comments only.

JavaScript Minifier & Beautifier

Why use a JavaScript Minifier & Beautifier?

How to use this tool

Online JavaScript Tool for Developers

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