No installation and no setup are required.
JD-GUI is a standalone graphical utility that displays Java source codes of
".class" files. You can browse the reconstructed source code with the JD-GUI
for instant access to methods and fields.
JD-GUI is free for non-commercial use. This means that JD-GUI shall not be
included or embedded into commercial software products. Nevertheless, JD-GUI
may be freely used for personal needs in a commercial or non-commercial
3. How to use JD-GUI
For example, to decompile "Object.class", you can :
- execute the following command line : "jd-gui.exe Object.class".
- select "Open File ..." in "File" menu and browse to "Object.class".
- drag and drop "Object.class" onto "jd-gui".