Less4j
A Java-based compiler that translates Less CSS preprocessor code into regular CSS with full compatibility to less.js.
What is Less4j?
Less4j is a Java-based compiler that processes Less CSS preprocessor code and converts it into standard CSS. It implements the full Less language specification, adding dynamic features like variables, expressions, and nested rules to CSS, and is designed as a port of the original less.js compiler for Java environments.
Java developers and teams building web applications who need to compile Less stylesheets server-side or integrate Less processing into JVM-based build pipelines and tools.
Developers choose Less4j for its high compatibility with less.js, seamless integration into Java projects via Maven, and extensible API that supports custom functions, plugins, and thread-safe compilation options.
Overview
Less language is an extension of css and less4j compiles it into regular css. Less adds several dynamic features into css: variables, expressions, nested rules, and so on. Less was designed to be compatible with css and any correct css file is also correct less file.
Use Cases
Best For
- Compiling Less stylesheets in Java web applications
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