QuickFreeTools

Online Minify JavaScript

Minify JavaScript: remove comments and extra whitespace. Basic compression for smaller JS files.

Frequently Asked Questions

What does minify JS do?
It removes single-line and multi-line comments and collapses whitespace. No variable renaming or advanced optimizations.
Is the code still valid?
Yes. Only comments and unnecessary spaces are removed; logic is unchanged.
What about string literals?
Whitespace and comments inside strings are preserved; only actual comment syntax and spaces between tokens are removed.

Related Developer Tools