JavaScript Minifier v1.0
Minify JavaScript to reduce file size and improve performance. Essential for production deployment.
No data uploaded – runs 100% in your browser
Used by developers in 120+ countries
v1.0 • Updated Nov 2025
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How to Use the JavaScript Minifier
- Paste your JavaScript code
- Click 'Minify' to compress
- Review the size savings
- Copy or download the result
What is JavaScript Minifier?
A JavaScript minifier removes unnecessary characters from JS code including whitespace, comments, and line breaks. This significantly reduces file size while maintaining functionality.
Why Use a JavaScript Minifier?
- Reduce JS bundle size
- Faster page load times
- Lower bandwidth costs
- Required for production builds
- Works with any JavaScript
Frequently Asked Questions
What is a JS Minifier?
A JS Minifier compresses JavaScript code by removing unnecessary characters to reduce file size.
Is this JS Minifier free?
Yes, this JavaScript Minifier is completely free and runs entirely in your browser.
Is my data secure?
All processing is done locally in your browser. No data is uploaded or stored.