Developer Tools
JavaScript Minifier Online Free
Minify JavaScript code online and reduce file size. This tool runs directly in your browser.
About JavaScript Minifier
JavaScript Minifier removes comments and extra whitespace from JS code to make it smaller.
Key Features
✓ Minify JavaScript
✓ Remove comments
✓ Reduce size
✓ Copy output
✓ Download JS
✓ Quick browser tool
How to Use
- Paste JavaScript code.
- Click Minify JS.
- Review compact output.
- Copy or download the result.
Example
Input
function test() {
console.log('hello');
}Output
function test(){console.log('hello');}Frequently Asked Questions
Is this a full JS compressor?
No. It is a lightweight minifier for common formatting cleanup.
Does it rename variables?
No. It does not perform advanced mangling.
Can comments be removed?
Yes. Common single-line and block comments are removed.