JavaScript Minifier
Compress scripts to speed up page loads.
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About JavaScript Minifier
Strip comments, whitespace, and shorten local names using a lightweight tokenizer.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Frequently Asked Questions about JavaScript Minifier
How do I use the JavaScript Minifier?
Open the JavaScript Minifier and use the controls in the workspace below: compress scripts to speed up page loads. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the JavaScript Minifier free?
Yes. The JavaScript Minifier is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the JavaScript Minifier store or share my data?
No. The JavaScript Minifier runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the JavaScript Minifier for?
Strip comments, whitespace, and shorten local names using a lightweight tokenizer. You will find it grouped under Developer Tools together with 75 other free tools on the PrimeFreeTools homepage.