Developer Tools
CSS / JS / HTML Minifier
🔒 Runs in your browser
Minify CSS, JavaScript, and HTML instantly in the browser. Strips comments and collapses whitespace to reduce file size. Free, private, no upload.
Strips comments and collapses whitespace. For production use, pair with a bundler (esbuild, Terser, PostCSS). Your code never leaves the browser.
How to Minify CSS, JS, and HTML (2026)
How to Minify CSS, JS, and HTML — free online tool and guide with examples.