cfr-decompiler ☆

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Description:
Yet Another Java Decompiler

Type: Formula | Latest Version: 0.152@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: java decompiler reverse-engineering bytecode development

Install: brew install cfr-decompiler

About:
CFR is a modern Java decompiler that reconstructs source code from Java bytecode. It excels at handling newer Java language features like lambdas and strings in switch statements. The tool provides highly readable and accurate output, making it invaluable for reverse engineering and understanding compiled Java applications.

Key Features:

Supports modern Java versions (up to Java 17)
Handles complex language features like lambdas, records, and enums
Produces highly readable and accurate source code
Command-line interface for easy integration into workflows
Actively maintained with regular updates

Use Cases:

Analyzing third-party Java libraries when source is unavailable
Recovering lost source code from compiled applications
Understanding the internal workings of Java frameworks
Security analysis of Java bytecode

Alternatives:

Procyon – Another modern decompiler; CFR is often noted for better readability of generated code
JD-GUI – A GUI-based decompiler; CFR is command-line focused and often handles newer Java features better
FernFlower – IntelliJ's decompiler; CFR is an independent alternative with different strengths

License: MIT

Dependencies: openjdk@11

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 30, 2024 7:45pm		0	VERSION_BUMP	f48581e5