JavaScript Minifier & Beautifier
Minify JavaScript for production, or beautify minified/compressed JS back into readable code.
How to Use
- Paste your JavaScript into the input box.
- Click "Minify" to compress for production.
- Click "Beautify" to expand minified code for reading or debugging.
- Copy or download the result.
Frequently Asked Questions
QIs minified JavaScript safe to use in production?
Yes — minification is a standard, widely-used step in front-end build pipelines (webpack, Vite, etc.) and does not change script behavior.
QCan minified code be reverse-engineered?
Minification makes code harder to read but does not encrypt it — determined users can still beautify and inspect it. Use proper code obfuscation if true protection is needed.
QDoes this tool support ES6+ syntax?
Yes — modern syntax including arrow functions, classes, template literals, and async/await is supported.
About This Tool
JavaScript minification reduces file size by removing whitespace, comments, and shortening identifiers where safe, which speeds up page load and reduces bandwidth. Beautification reverses formatting for readability.