JavaScript Minifier

Minify JavaScript to reduce file size.

100% Private — Nothing is Uploaded

All processing happens locally in your browser. Your files never leave your device and are never sent to any server.

Input

Language

JavaScript Change language

Options

Remove comments

Collapse whitespace

Remove line breaks

Result

Other languages

HTML

CSS

JSON

XML

SQL

SVG

About the JavaScript Minifier

This tool reduces JavaScript file size with a safe tokenizer that understands strings, template literals, regular expressions and comments. Your code will not break — guaranteed.

What gets removed

Line comments (//)
Block comments (/* ... */)
Extra whitespace and line breaks