Contents  > Computers  > Programming  > Languages  > Java  > Development Tools  > Obfuscators

CafeBabe Interactively displays and obfuscates the internals of class files. [Open Source] http://www.geocities.com/CapeCanaveral/Hall/2334/Programs/cafebabe.html

Cinnabar Canner Protects Java-based applications from decompilation and reverse engineering by embedding an encrypted version of the application's classes and resources into a native Windows executable. [Commercial] http://www.cinnabarsystems.com/canner.html

CodeShield Command-line obfuscator for Java class files. [Commercial] http://www.codingart.com/codeshield.html

DashO Obfuscates to enhance source code security, shrinks to improve efficiency, and watermarks to track the origin of a pirated copy. [Commercial] http://www.preemptive.com/products/dasho/

IBM alphaWorks JAX A Java application packaging tool that reduces the distribution size of a Java application. [Commercial] http://www.alphaworks.ibm.com/tech/JAX

jarg - Java Archive Grinder Shrinks and obfuscates jar files. Runs from the command line or as an Ant task. [Open source, BSD] http://jarg.sourceforge.net/

JavaGuard Obfuscates. Updated version of RetroGuard. Can be run from the command-line or using a GUI. [Open source, GPL] http://sourceforge.net/projects/javaguard/

JBCO: The Java Bytecode Obfuscator A Bytecode Obfuscator with third-generation control-flow transformations. [Open source] http://www.sable.mcgill.ca/JBCO/

JCloak Bytecode obfuscator to protect code from reverse engineering. [Commercial] http://www.force5.com/

JLock A Java class file encrypter. It transparently encrypts Java class files and at run-time decrypts the code, so that the JVM can interpret the class file as a valid Java byte-code. By JBit Software. [Commercial] http://www.jbitsoftware.com/JBitSoftware/jlockinfo.html

JODE (Java Optimize and Decompile Environment) Can be used to optimize, obfuscate and/or decompile code. [Open Source, GPL] http://jode.sourceforge.net/

Jshrink Removes unused code and data then obfuscates symbolic names in class files. [Commercial] http://www.e-t.com/jshrink.html

Marvin Removes unnecessary classes and obfuscates applications, applets, and servlets. Supports encryption of string constants. [Freeware] http://www.drjava.de/obfuscator/

ProGuard Shrinks and obfuscates, with template-based configuration. Comes with an Ant task, a J2ME WTK plugin, and a tool to de-obfuscate stack traces. [Open source, GPL] http://proguard.sourceforge.net/

RetroGuard Highly-configurable Java bytecode obfuscator with support for Java 2, reflection and scripting. [Open Source, LGPL] http://www.retrologic.com/retroguard-main.html

Saffeine Tool for the Java bytecode protection and feature driven license management. The 'Saffeine' engine uses strong cryptography algorithms to obfuscate unlicensed Java byte code. [Commercial] http://www.saffeine.com/

Semantic Designs Java Obfuscator Scrambles source code using nonsense names and stripping comments to disable reverse engineering. Works on large sets of files. [Commercial] http://www.semanticdesigns.com/Products/Obfuscators/JavaObfuscator.html

Smokescreen A Java class file obfuscator, that supports selective renaming, unused method and field removal, as well as bytecode obfuscation. [Shareware] http://www.leesw.com/

yGuard Bytecode obfuscator configurable to run through Ant build scripts. [Freeware, core library is open source, LGPL] http://www.yworks.com/en/products_yguard_about.htm

Zelix KlassMaster Java obfuscator with flow obfuscation, string literal encryption, scripting, Ant integration, incremental obfuscation, obfuscated line numbers, J2ME plugin and stack trace translation. Also removes unused classes, fields and methods. [Commercial] http://www.zelix.com/klassmaster/