TextText-based

`text/x-less`

Less

Reference for text/x-less, the MIME type for Less CSS preprocessor stylesheet files.

MIME Type Detector

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Expected extensions: .less

HTTP Content-Type Header

HTTP Header

Content-Type: text/x-less; charset=utf-8

Associated File Extensions

.less

Quick Facts

MIME Type	text/x-less
Category	Text
Type	Text-based (human-readable)
Extensions	.less

Common Usage

Less is a CSS preprocessor that extends CSS with variables, mixins, functions, and nesting. It was originally used by Bootstrap and remains popular in enterprise projects.

Less can be compiled server-side or client-side in the browser.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.less" type="text/x-less">

<!-- Or for script/media elements -->
<script type="text/x-less" src="file.less"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('text/x-less');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'text/x-less' });

nginx

# nginx.conf — add to types block or use default
types {
    text/x-less  less;
}

# Or set for a specific location
location /api/ {
    default_type text/x-less;
}