LESS to CSS Converter

Convert LESS preprocessor code to plain CSS. Resolve variables, expand nesting, and get browser-ready stylesheets.

CSS output will appear here

Convert LESS to Plain CSS

LESS makes CSS more powerful with variables and nesting, but browsers need plain CSS. This tool converts your LESS code into standard CSS that works everywhere.

CSS Conversion

Why Use This Tool?

Instant

Convert LESS to CSS with one click.

Variables

Resolves @variables to their values.

Private

100% browser-based processing.

How this LESS to CSS Converter works

This converter transforms LESS preprocessor code into standard CSS by resolving variables and expanding nested selectors. The parser first identifies LESS variable declarations (@variable: value;) and stores them in a lookup table, then performs systematic replacement of variable references throughout the stylesheet.

The nesting processor analyzes selector hierarchy and generates flat CSS rules with properly combined selectors. Parent reference operators (&) are expanded to include the full parent selector chain.

All conversion happens in your browser using JavaScript, eliminating the need for Node.js or build tools for simple LESS files. The output is clean, browser-ready CSS that can be used directly in your projects.

How to Use

1

Paste LESS

Enter your LESS code with variables, nesting, and mixins.

2

Convert

Click Convert to transform LESS into standard CSS.

3

Copy CSS

Copy the generated CSS for your stylesheets.

Example Usage

Converting LESS variables:

Input
@color: red; .box { color: @color; }
Output
.box { color: red; }

Frequently Asked Questions

What is LESS?
LESS is a CSS preprocessor that adds variables, nesting, mixins, and functions to CSS, making stylesheets more maintainable.
What LESS features are supported?
This converter handles variables (@var), nested selectors, and the & parent selector. Complex mixins may need manual adjustment.
Is my code safe?
Yes, all processing happens client-side in your browser. No data is sent to any server.

Related Tools

The LESS to CSS Converter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.