Introduction
CFR - another java decompiler.
CFR will decompile modern Java features - up to and including much of Java 9, 12 & 14, but is written entirely in Java 6, so will work anywhere! It'll even make a decent go of turning class files from other JVM languages back into java!
To use, simply run the specific version jar, with the class name(s) you want to decompile (either as a path to a class file, or as a fully qualified classname on your classpath). (`--help` to list arguments).
Alternately, to decompile an entire jar, simply provide the jar path, and if you want to emit files (which you probably do!) add `--outputdir /tmp/putithere`.
Downloads are available as versioned jars, or get it from maven, or just go to github to get master.
Java decompilerJava featuresClass filesJAR decompilationJava 6MavenGitHub
Screenshots
Deployment
直接下载并运行 JAR
适用于本地或脚本中快速使用 CFR，下载指定版本的 cfr-*.jar 后用 Java 命令对 class 或 jar 文件反编译。
Maven 获取
适用于在 Java 项目或构建流程中通过 Maven 仓库引入 CFR 作为依赖或工具使用。
GitHub 源码 / master
适用于需要当前最新开发版本的场景，官方建议暂时克隆 GitHub 仓库获取更现代的版本。
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Details
Type Open-source software
License MIT
Last verified 2026-07-18
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