-

JavaScript Minifier
Free Online JS Compression Tool

Minify, compress, and optimize your JavaScript code instantly for faster page load speed, improved SEO performance, and reduced bandwidth usage.

Free JavaScript minifier, online JS compression tool, JavaScript optimizer, minify JS for website speed, reduce JavaScript file size, improve website performance, PlayboxJS minifier.

Why Minify Your JavaScript?

Faster Loading Times: Minifying JavaScript reduces file sizes, speeding up your website’s load time.

Improved Performance: Smaller scripts improve browser performance and reduce bandwidth usage.

Better SEO Rankings: Faster sites tend to rank higher on search engines.

Reduced HTTP Requests: Minified code helps optimize resource loading.

Code Obfuscation: Makes code harder to read for casual viewers.

/* Before Minification */
function sayHello() {
  console.log("Hello, World!");
}

/* After Minification */
function sayHello(){console.log("Hello, World!");}
        

Why Our JavaScript Minifier?

⚡ High Performance

Handles large scripts with ease.

🔒 Secure & Free

No registration, no storage, 100% free.

🎯 Easy to Use

Simple and distraction-free interface.

How to Minify Your Code

📋

Step 1: Paste your code.

⚙️

Step 2: Choose options.

🚀

Step 3: Click Minify.

📂

Step 4: Copy or Download.

❓ Frequently Asked Questions

Answers to common questions about our online JavaScript minifier.

What is JavaScript Minification?

It reduces file size without changing functionality by removing unnecessary whitespace and shortening names.

Does this tool support ES6+?

Yes, it supports modern JavaScript syntax.

Is my code safe?

Yes, your code is not stored or shared.

🔧 Explore Our Minify & Beautify Tools

Boost your productivity with our collection of lightning-fast, privacy-friendly developer tools — all client-side and free to use.

Free Online JavaScript Minifier Tool

JavaScript Minifier

Minify JavaScript online by removing whitespace, comments, and redundant code—improving load time and SEO performance.

Free Online CSS Minifier Tool

CSS Minifier

Compress CSS instantly to reduce file size and speed up rendering—keeping styles fully intact.

Coming Soon
Free Online JavaScript Beautifier Tool

JavaScript Beautifier

Beautify JavaScript online by adding spaces, newlines, and indentation to improve code readability and maintainability.

Free Online XML Minifier Tool

XML Minifier

Minify XML online by removing whitespace, comments, and redundant code—improving load time and SEO performance.

Coming Soon
Free Online HTML Minifier Tool

HTML Minifier

Minify HTML online by removing whitespace, comments, and redundant code—improving load time and SEO performance.

Coming Soon
Free Online CSS Beautifier Tool

CSS Beautifier

Beautify CSS online by adding spaces, newlines, and indentation to improve code readability and maintainability.

Coming Soon