Paste HTML or CSS and get a minified version with whitespace, comments, and unnecessary characters removed. Shows exact byte savings.
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Quick answers to common questions
Minification removes unnecessary characters from code (whitespace, comments, newlines) without changing its functionality. It reduces file size, speeding up web page loads.
Minifying HTML correctly has no negative SEO impact. It can improve Core Web Vitals (LCP, FID) by reducing page load time, which can positively affect rankings.
Yes, always. A production build pipeline (webpack, Vite, Parcel) should auto-minify CSS. If you're on a static site without a build step, use this tool to manually minify before uploading.
Your data is processed entirely in your browser. Nothing is sent to any server.