Our free online JavaScript minifier tool helps you reduce the file size of your JS code by removing unnecessary characters, whitespace, and comments. Minifying your JavaScript can significantly improve page load times and overall website performance.
How to Use This Tool
Paste your JavaScript code into the "Original JavaScript" box
Click the "Minify JavaScript" button
Copy the optimized code from the "Minified JavaScript" box
Use the compressed JavaScript in your production website
Benefits of JavaScript Minification
Reduces file size by 30-50% on average
Improves page load speed
Reduces bandwidth usage
Works with all valid JavaScript code
No server upload - processing happens in your browser
Helps obfuscate code (basic level)
Important Notes
This tool performs basic minification. For production websites, consider using more advanced tools like:
UglifyJS
Terser
Babel Minify
Webpack with production mode
Always test your minified code thoroughly before deploying to production.