CSS & JavaScript Minifier
Compress your code to reduce file size and boost performance
📝 Input Code
✨ Minified Output
About CSS JS Minifier
Minifying removes everything a browser does not need to run your code — comments, indentation, line breaks and redundant spacing — while leaving behaviour identical. Smaller files mean fewer bytes over the network and a faster first render.
What is actually removed
The minifier strips comments, collapses runs of whitespace, and removes newlines and indentation that exist only for human readers. It does not rename your variables or restructure your logic, so the output stays recognisable and the behaviour is unchanged. Keep your readable source in version control and minify as a build or deploy step — never edit minified output by hand.
.btn {
color: red;
/* brand */
}.btn{color:red}. The comment, the indentation and the final semicolon all go, and the rule renders identically.Does minifying ever break code?
It can, in two specific cases. JavaScript that relies on automatic semicolon insertion may change meaning once newlines disappear, so terminate statements explicitly. And anything that reads its own source — a function calling toString() on itself, or code that depends on comment markers — will see different text. Test the minified build before shipping.
Is minifying still worth it if the server uses gzip?
Yes, though the gain is smaller than it looks. Compression already handles repeated whitespace well, so minifying a gzipped file might save only a few percent more. The real benefit is that the browser parses less text — fewer bytes to tokenise means faster execution, which compression alone does not give you.
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