JS Minifier
Basic JavaScript minification for smaller bundles.
About JS Minifier
JS Minifier is a free online tool. Apply basic JavaScript minification for smaller scripts. It runs entirely in your browser, so there is nothing to install, no account to create and no watermark added to your result.
How to use JS Minifier
- Paste your code or data into the input box.
- Choose an option or press the action button.
- Read the result, fix any reported error and copy the output.
Worked example
Enter a short sample first to see how JS Minifier behaves, check the result, then run your real content.
Tips for best results
- For large production bundles, use a build tool with source maps; this tool is best for small snippets.
- Everything runs in your browser, so you can use JS Minifier even on a slow connection once the page has loaded.
Limits to keep in mind
- The tool works on the text you paste and does not check it against a schema. Always test the output in your own project.
Frequently asked questions
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