JavaScript Minifier

Minify and compress JavaScript code online for free using Terser. Remove whitespace, shorten variable names and optimize code for production. Browser-based — code never sent to servers.

Your data never leaves your browser

JavaScript Formatter & Beautifier

Format and beautify JavaScript with Prettier

CSS Minifier

Compress CSS to reduce file size for production

HTML Minifier

Compress HTML to reduce page size

Frequently Asked Questions

What is Terser?

Terser is the industry-standard JavaScript minifier, used by webpack, Vite and esbuild. It removes whitespace, shortens variable names and eliminates dead code.