JavaScript Minifier
Minify JavaScript code by removing comments and whitespace
How to Use JavaScript Minifier
Minify JavaScript by removing comments, unnecessary whitespace, and line breaks. See the file size reduction instantly.
- 1
Paste your JavaScript
Paste the JavaScript code you want to minify in the input editor.
- 2
View minified output
The tool removes comments, collapses whitespace, and produces compressed output.
- 3
Check the savings
See original size, minified size, and percentage saved at the top.
Frequently Asked Questions
What does minification do?
Minification removes comments, whitespace, and line breaks from code to reduce file size for faster loading.
Does it change the functionality?
No, minification only removes non-essential characters. The code behavior remains identical.
How much can it save?
Typically 30-60% file size reduction depending on the amount of comments and formatting in the original code.
Is this tool free?
Yes, completely free with no signup required. All processing happens in your browser.