Free .Net DLL Decompiler And Assembly Broswer
Posted by in Resources July 5, 2011 7 Comments

There are some FREE & Open Source .Net DLL Decompliler And Assembly Browser. These applications help developers to get back their source code after built/compiled all project source code into DLL files. Plus, you also need to preview and ensure all source code from your team members as well as third party are running correctly.

From my experiences, I’ve downloaded and played with some applications as I’ll mention below support:

  • Syntax highlight
  • Nice variable/type/property/method structure
  • Navigatable Function/method Declaration/Implementation
  • Visual Studio look and feel
  • And much more

1. .NET decompiler from JetBrains

This is my favorite one, just download the zip file, unzip it and run the executation file (dotPeek.exe)

JetBrains Net Decomplied

JetBrains Net Decomplied

2. ILSpy – the open-source .NET assembly browser and decompiler

Like dotPeek, just download the Binaries file in Zip format from sourceforge.net, Unzip and run the ILSpy.exe in extract folder.

IlSpy NET assembly browser and decompiler

IlSpy NET assembly browser and decompiler

3. Telerik JustDecompile

JustDecompile from telerik.com is a new, free developer productivity tool designed to enable easy .NET assembly browsing and decompiling. You is required to login or signup to
be able to redirect to download the JustDecompile page.

Telerik JustDecompile

Telerik JustDecompile

Note: all .Net DLL Decompiler above require .Net Framwork 4.0 in order to init & run properly.

Hoan Huynh is the founder and head of 4rapiddev.com. Reach him at hoan@4rapiddev.com
  • http://www.rizecorp.com/ rizecorp

    Thanks for the post. NET framework classes as well as any other managed assemblies.

  • http://www.pinkhandtech.com/ Pink hand

    Nice post.

  • http://www.galeriyukseller.com.tr bebek odasi

    Nice post. Thank you.

  • Worpress Developer

    superb post liked this one

  • Nicholas van Esch

    I tried all of them. telerik was to big so I stopped (60MB). jetbrains you have to buy the full version to see all the code and a lot of it says trial with no code. ILSpy is now in version 2 (so don’t use the straight download link) and is great.

    You only appear to need telerik if you need the more advanced decompiling functions such as turning  anonymous functions back into p => delegates.

  • Chaithrahs Profession

    Thank You Very Much For Decomplier Software, it was very much helpfull

  • http://twitter.com/Avignaseo Avighnaseosolutions

    thank q very much..