* An open source Java application that you can run from the command line. * A simple web application. * A RESTful API. * Efficiency. The Closure Compiler reduces the size of your JavaScript files and makes them more efficient, helping your application to load faster and reducing your bandwidth needs. * Code checking. The Closure Compiler provides warnings for illegal JavaScript and warnings for potentially dangerous operations, helping you to produce JavaScript that is less buggy and easier to maintain.

* Integrated visualization of diverse quality characteristics for software systems Aggregation of quality metrics for quick overview of quality status * Flexible creation of project-specific quality dashboards * Support for numerous programming languages (e.g. Java, C#, C++, ABAP, ADA Integration of third-party analysis tools (e.g. PMD, Findbugs, FxCop) * Clone Detection (detecting duplicated code due to copy&paste programming) *Architecture Conformance Analysis Assessing conformance to architectural constraints) * Command line interface for integration into build systems/continuous integration toolkits (e.g Hudson, CruiseControl) * Trend analysis for monitoring quality status over time