CSS minifier
Strip CSS comments and extra whitespace.
About this tool
Strip comments and whitespace from CSS to shrink stylesheet size and speed up your pages. A quick optimization step before deploying.
Why use it
- Smaller CSS downloads faster for every visitor.
- Removes comments and redundant spacing automatically.
- Runs locally — paste, minify, copy.
Common use cases
- Minify a stylesheet before shipping to production.
- Reduce inline CSS embedded in a page.
- Clean up a hand-written file for delivery.
Tips
- Keep an unminified source copy for future edits.
- Combine minification with gzip or Brotli for the biggest savings.
How to use
- Paste CSS.
- Minify.
- Copy.
FAQ
- How does CSS minification help?
- It strips comments and unnecessary whitespace to shrink your stylesheet for faster loading.
- Is my CSS sent to a server?
- No. Minification runs entirely in your browser.
- Does it change how my styles work?
- No, only the formatting is removed; the rules behave exactly the same.
- How much smaller will my file be?
- Savings vary, but heavily commented and spaced files often shrink noticeably.
- Can I still edit minified CSS later?
- Keep your readable source for editing and minify a copy for production.
- Does it merge or rewrite selectors?
- No, it focuses on safe whitespace and comment removal, not risky restructuring.