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Java class file shrinker, optimizer, obfuscator, and preverifier

ProGuard is a free Java class file shrinker, optimizer, obfuscator,
   and preverifier. It detects and removes unused classes, fields,
   methods, and attributes. It optimizes bytecode and removes unused
   instructions. It renames the remaining classes, fields, and
   methods using short meaningless names. Finally, it preverifies
   the processed code for Java 6 or for Java Micro Edition.  Some
   uses of ProGuard are: - Creating more compact code, for smaller
   code archives, faster transfer across networks, faster loading,
   and smaller memory footprints.

- Making programs and libraries harder to reverse-engineer.

- Listing dead code, so it can be removed from the source code.

- Retargeting and preverifying existing class files for Java 6, to
   take full advantage of Java 6's faster class loading.

- ProGuard's main advantage compared to other Java obfuscators is
   probably its compact template-based configuration. A few
   intuitive command line options or a simple configuration file are
   usually sufficient. For instance, the following configuration
   option preserves all applets in a jar: -keep public class *
   extends java.applet.Applet

The user manual explains all available options and shows more examples
of this powerful configuration style.  ProGuard is fast. It only takes
seconds to process programs and libraries of several megabytes. The
results section presents actual figures for a number of applications. 
ProGuard is a command-line tool with an optional graphical user
interface.

Source Files

Filename Size Changed Actions
proguard.changes 1.29 KB Download File
proguard.manifest 30 Bytes Download File
proguard.sh 68 Bytes Download File
proguard.spec 9.41 KB Download File
proguard6.0.3.tar.gz 2.59 MB Download File
proguardgui.manifest 37 Bytes Download File
proguardgui.sh 97 Bytes Download File

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