JD-Core is a library that reconstructs Java source code from one or more “.class” files. JD-Core may be used to recover lost source code and explore the source of Java runtime libraries.

Java decompilers online: *JAD, *JDCore, *Procyon, *Fernflower, *CFR. A user interface to extract source code from .class and .jar ‘binary’ files.

Upload your artifact Drag and drop your artifact into the online decompiler to view the content online or download it.

Sep 16, 2025 · Today I’ll give you an ultimate list of the best Java decompilers. These tools will allow you to decompile Java class files (.class) as well as complete Java projects (.jar) to view …

JDec is a online Java decompiler that provides a fast way to decompile JAR files. Instant access to the files, no need to wait. Also supports downloading decompiled java code.

Jun 10, 2025 · It allows you to easily decompile Java bytecode and view the corresponding source code. By understanding its fundamental concepts, usage methods, common practices, …

Vineflower is a modern Java decompiler aiming to be as accurate as possible, while not sacrificing the readability of the generated code. Vineflower supports modern Java (J21+), automatic …

Jun 19, 2025 · What is a Java Decompiler? A Java decompiler is a utility that converts Java bytecode (compiled .class files) back into readable Java source code. Essentially, it reverses …

Java 14,839 GPL-3.0 2,466 219 24 Updated on Jul 8, 2024 jd-core Public JD-Core is a JAVA decompiler written in JAVA.

Dec 14, 2018 · CFR is a JVM bytecode decompiler - it will decompile modern Java features (including Java 13) but is written entirely in Java 6, so will work anywhere! - It'll even make a …