JavaScript Minifier
Minify JavaScript by stripping comments and whitespace — strings are preserved.
Runs locally in your browser. Your input is not uploaded.
How to Use
- 1
Paste your JavaScript
Drop the source code into the input panel or click Load Example.
- 2
Minification runs instantly
Comments are stripped and whitespace collapsed as you type.
- 3
Copy the result
The footer comment shows original vs. minified size and percent saved.
Frequently Asked Questions
- It strips // and /* */ comments and collapses unnecessary whitespace while carefully skipping over string and template literals so your data is never corrupted. The output reports how many bytes you saved.
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