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Minify HTML, CSS & JavaScript Online

Strip whitespace and comments from HTML, CSS or JavaScript to shrink file size for faster page loads.

Input Code
Minified Output

  

About the Minifier (HTML/CSS/JS)

Smaller files load faster. Paste HTML, CSS or JavaScript and the minifier strips whitespace, comments and redundant characters, typically cutting file size by 20–60% — a quick win for page speed and Core Web Vitals.

Frequently Asked Questions

How do I minify JavaScript?

Paste the code, choose JavaScript and click Minify.

How do I minify CSS?

Choose CSS, paste your stylesheet and click Minify.

How much smaller will my files be?

Usually 20–60% smaller, more for heavily commented code.

Does minification break code?

Correct code keeps working. Always test, and keep the original for editing.

What is the difference between minify and compress?

Minify removes unnecessary characters; compression (gzip/brotli) is done by the server on top.

Should I minify HTML?

It helps a little; CSS and JS benefit more.

How do I reverse minification?

Use the Beautifier to make code readable again.

Does it help SEO?

Faster pages improve Core Web Vitals, which Google uses as a ranking signal.

Does the Minifier tool store my code?

No.

Is the Minifier tool free to use?

Yes.