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About This Tool
The JavaScript Minifier strips comments, extra whitespace, and newlines from your JavaScript code to produce a smaller output suitable for production deployment. Both single-line (//) and multi-line (/* */) comments are removed, and consecutive whitespace is collapsed to single spaces.
After minifying, the tool displays the original file size, resulting size, and percentage reduction so you can quantify the benefit. The minified output can be copied with one click.
This tool is ideal for reducing bandwidth on scripts that don't require a full transpilation pipeline. For complex projects, consider pairing this with a full bundler. All processing happens locally in your browser.