JAD (JAva Decompiler)

Jad ( JAva Decompiler ) is a decompiler for Java. Jad itself is command line based, but there are GUIs for Jad such as DJ Java Decompiler. Furthermore, there are plugins Jad for development environments such as JadClipse, a plugin for the Eclipse IDE. According to CNET.com have been downloaded over 10 million times in the last 8 years the various DJ Java Decompiler versions.

The domain name that was used for the official website, expired on 25 February 2009. The current version supports only the JAD Java classes in versions 45.3, 46.0 and 47.0 (equivalent to Java 1.1, 1.2 and 1.3)

A comparable alternative with support for current versions of Java is Java Decompiler.