FREE · DEVELOPER TOOLS
JavaScript Minifier.
Remove JavaScript comments and whitespace using a syntax-aware parser.
How to use JavaScript Minifier
Paste your source text, choose the format or options and generate the result. Review it before copying or saving.
How it works
Remove JavaScript comments and whitespace using a syntax-aware parser. Names and expressions are preserved. Enable module mode for ES module syntax.
Example
A formatted function → compact JavaScript
Questions about JavaScript Minifier
Is JavaScript Minifier free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Names and expressions are preserved. Enable module mode for ES module syntax. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.