Strip comments and unnecessary whitespace from HTML, CSS or JavaScript to reduce file size.
Everything runs locally in your browser — your code is never uploaded or stored.
HTML Input0 bytes
Minified Output0 bytes
CSS Input0 bytes
Minified Output0 bytes
JavaScript Input0 bytes
Minified Output0 bytes
Frequently Asked Questions
No. Minification only removes whitespace, comments and line breaks that aren't needed for the code to run — it doesn't change any logic, styles or markup. The output should behave identically to the original, just in a smaller file.
No. All minification happens directly in your browser using JavaScript. Your HTML, CSS and JS never leave your device or get sent anywhere.
Smaller files download faster, which improves page load times, Core Web Vitals scores and SEO. Minifying is a standard step before deploying production websites.
This tool performs safe, conservative minification — removing comments and extra whitespace without renaming variables or restructuring code. For advanced JavaScript compression with variable renaming, use the dedicated JavaScript Obfuscator tool instead.
Paste and minify one HTML, CSS or JS snippet at a time using the relevant tab. Switch tabs to minify a different type of code — your input is not shared between tabs.