JS Minifier

Compress your JavaScript code instantly. Remove whitespace and comments.

Paste Source Code
Minified Result 0% Saved
Message

Quick Start Guide

1

Paste Source Code

Enter your raw JavaScript code into the input box above.

2

Execute Compression

Click "Minify JS Code" to strip all comments and unnecessary whitespace.

3

Copy Result

Use the "Copy" button in the result box to grab your optimized code.

Why Minify JavaScript?

Boost Speed

Smaller file sizes mean faster download times for your users, leading to better SEO rankings.

Save Bandwidth

Reduce the amount of data transferred between your server and visitors, saving hosting costs.

Clean Code

Removes unnecessary comments and whitespace, making your production code cleaner.

Frequently Asked Questions

Is it safe to minify JS?
Yes, minification only removes unnecessary characters like spaces and comments. It does not change how the logic functions.
Does this remove comments?
Yes, all single-line and multi-line comments are automatically removed to save file size.
Will this break my code?
Generally no. However, if your code is missing semicolons or relies on strict formatting, check the output carefully.

Related Developer Tools