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CFR vs Procyon

Professional comparison and analysis to help you choose the right software solution for your needs.

CFR icon
CFR
Procyon icon
Procyon

CFR vs Procyon: The Verdict

⚡ Summary:

CFR: CFR is an open-source Java library and set of tools that allow you to view, edit, and analyze the bytecode of Java applications. It can decompile Java bytecode back into Java source code for debugging and understanding purposes.

Procyon: Procyon is an open-source Java decompiler that aims to rebuild Java source code from bytecode. It supports decompiling code from Java versions 5 to 15 and can decompile an entire project into human-readable Java code.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature CFR Procyon
Sugggest Score — —
Category Development Development
Pricing Open Source Open Source

Product Overview

CFR
CFR

Description: CFR is an open-source Java library and set of tools that allow you to view, edit, and analyze the bytecode of Java applications. It can decompile Java bytecode back into Java source code for debugging and understanding purposes.

Type: software

Pricing: Open Source

Procyon
Procyon

Description: Procyon is an open-source Java decompiler that aims to rebuild Java source code from bytecode. It supports decompiling code from Java versions 5 to 15 and can decompile an entire project into human-readable Java code.

Type: software

Pricing: Open Source

Key Features Comparison

CFR
CFR Features
  • Decompiles bytecode back to Java source code
  • Allows editing and analysis of bytecode
  • Provides a Java API for working with bytecode programmatically
  • Supports debugging and understanding Java applications
  • Performs control flow analysis
  • Works with Java 8 and below
Procyon
Procyon Features
  • Decompiles Java bytecode back into equivalent Java source code
  • Supports Java versions 5 to 15
  • Can decompile entire projects or individual .class files
  • Preserves original naming of classes, methods and variables
  • Handles common Java language features like generics and lambdas
  • Command line interface and GUI available
  • Integrates with IDEs like IntelliJ IDEA and Eclipse
  • Open source and free for any use

Pros & Cons Analysis

CFR
CFR

Pros

  • Helps understand obfuscated or unfamiliar code
  • Enables low-level analysis and modification of bytecode
  • Free and open source
  • Active community support

Cons

  • Limited support for newer Java versions
  • Decompilation not perfect, may require manual fixes
  • Steep learning curve
Procyon
Procyon

Pros

  • Produces human-readable source code
  • Recovers variable names and comments
  • Helps understand obfuscated or unfamiliar code
  • Enables code analysis, debugging, and modification
  • Saves time over manual decompile efforts
  • Free and open source with active development

Cons

  • May not perfectly reconstruct original source code
  • Limited support for some newer Java features
  • Decompiled code can be messy and take cleanup
  • GUI version lacks some advanced options
  • Slower than proprietary alternatives

Pricing Comparison

CFR
CFR
  • Open Source
Procyon
Procyon
  • Open Source

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Learn More About Each Product

CFR
CFR
Reviews, pricing & alternatives →
Procyon
Procyon
Reviews, pricing & alternatives →

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