Minify JavaScript to reduce file size for faster loading, or beautify minified code for readability. Remove comments, whitespace, and optimize your scripts.
Note: This is a basic JavaScript minifier suitable for simple scripts. For production use with complex code, consider using professional tools like Terser, UglifyJS, or build tools like webpack/esbuild that perform advanced optimizations like variable renaming and dead code elimination.
Minify JavaScript to reduce file size
Beautify JS for readability
Remove comments and whitespace
Shows file size savings
Preserves string content
Copy or download output
All processing in browser
No signup required
Quickly minify simple scripts without build setup.
Beautify minified JS to understand third-party code.
Format compressed JavaScript to find issues.
Understand how minification affects code.
Love our free tools? Discover our AI-powered products that help businesses automate customer communication.
Automate phone calls with AI. Handle appointments, inquiries, and support 24/7 in 40+ languages.
Build WhatsApp chatbots without coding. Automate support and boost sales with 98% open rates.
Add an intelligent chatbot to your website. Convert visitors, answer questions, and capture leads 24/7.
Quick and easy JavaScript optimization
Minify or beautify JS in milliseconds.
Download .min.js files directly.
All processing in your browser.
Switch between minify and beautify.
While this tool is great for quick minification, for production builds we recommend using professional tools that offer advanced optimizations:
Terser
Industry standard
esbuild
Ultra fast
SWC
Rust-based
webpack
Full bundler
More free tools for developers