Java Decompiler Online
This site provides a user interface to extract source code from .class and .jar ‘binary’ files. Until recently, you needed to use a Java decompiler and all of them were either unstable, obsolete, unfinished, or in the best case all of the above. The obsoleteness was typically proved by the fact that they can only decompile JDK 1.3 bytecode. But recently, a new wave of decompilers has forayed onto the market: Procyon, CFR, JD, Fernflower, Krakatau, Candle.
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Tools for working with Android .dex and Java .class files, including dex-reader/writer, d2j-dex2jar, and smali/baksmali.
Exploiting a vulnerability in HID iClass system to retrieve master authentication key for cloning cards and changing reader settings.
Krakatau provides an assembler and disassembler for Java bytecode, supporting conversion, creation, examination, comparison, and decompilation of Java binaries.
One stop shop for decompiling Android apps with a focus on regenerating R references.
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