Code Minifier (JS/CSS)

Paste JS or CSS to produce a compact single-line variant suitable for embedding or bandwidth estimates.

Result

Ready.

Smaller JS and CSS for embeds and experiments

Marketing landing pages sometimes inline a few kilobytes of CSS for first paint. Minifying here shows how much whitespace comments cost before you commit to a bundler config.

When lightweight minify is enough

Prototypes and CodePen exports benefit from comment removal without configuring Webpack. Production apps should still use source maps and CI minification with license preservation.

Verify behavior after minify

Automatic semicolon insertion pitfalls appear when return statements break across lines. Run the minified snippet in devtools or a unit smoke test—byte savings are worthless if init throws.

FAQ

Is minification safe for all code?
Aggressive whitespace removal assumes semicolon insertion rules for JS and valid CSS syntax. Always test minified output in a browser before shipping to production CDN.
Does it rename variables like Terser?
No. This is a lightweight whitespace and comment stripper, not full mangling or tree shaking. Use your build pipeline for advanced optimizations.
Can I minify HTML too?
Use the dedicated HTML beautify/minify tool for markup. Mixing languages in one box may yield incorrect results.