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CFR vs dotPeek

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

CFR icon
CFR
dotPeek icon
dotPeek

CFR vs dotPeek: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature CFR dotPeek
Sugggest Score — —
Category Development Development
Pricing 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

dotPeek
dotPeek

Description: dotPeek is a free .NET decompiler from JetBrains. It allows developers to view and analyze the source code of .NET assemblies without needing the original source code. dotPeek supports debugging and can integrate with ReSharper.

Type: software

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
dotPeek
dotPeek Features
  • Decompiles .NET assemblies to C# or IL code
  • Supports debugging with breakpoints
  • Integrates with ReSharper and Rider IDEs
  • Analyzes assembly references and structure
  • Shows XML documentation comments
  • Compares assemblies side-by-side
  • Exports decompiled code and assemblies

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
dotPeek
dotPeek
Pros
  • Free and open source
  • Fast and robust decompilation
  • Integrates seamlessly with JetBrains IDEs
  • Helpful for understanding .NET code without source
  • Supports wide range of .NET frameworks and languages
Cons
  • Limited to .NET assemblies only
  • Decompiled code may not fully match original source
  • Lacks some advanced decompiler features found in paid tools

Pricing Comparison

CFR
CFR
  • Open Source
dotPeek
dotPeek
  • Not listed

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Learn More About Each Product

CFR
CFR
Reviews, pricing & alternatives →
dotPeek
dotPeek
Reviews, pricing & alternatives →

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