What does JavaScript Minifier do?
Minify and mangle JavaScript with Terser.
Calculations happen instantly in your browser. Nothing you enter is stored or sent anywhere.
How to use JavaScript Minifier
- 1Enter or paste your input into the JavaScript Minifier.
- 2Adjust the options — results update instantly.
- 3Copy the result to your clipboard or download it.
Frequently asked questions
Is JavaScript Minifier free?
Yes. JavaScript Minifier is completely free with no sign-up and no watermarks.
Is my data stored?
Calculations happen instantly in your browser. Nothing you enter is stored or sent anywhere.