JavaScript Minifier

LOCAL · IN-BROWSER

Minify JavaScript with Terser. Mangle variable names and compress for smaller bundles.

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Powered by Terser. Runs entirely in your browser — code never leaves your device.

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About JavaScript Minifier

Powered by Terser running in your browser. Compresses and mangles your JS to produce production-ready, smaller output. Code never leaves your device.

All processing happens entirely in your browser using modern web APIs. Nothing is uploaded to our servers — your data stays local. Free forever for everyone, with a Pro plan for power users who want an ad-free experience and API access.

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