de4dotUI is a GUI version of de4dot .NET deobfuscator and unpacker written in C#.

de4dot is an open source (GPLv3) .NET deobfuscator and unpacker written in C#. It will try its best to restore a packed and obfuscated assembly to almost the original assembly. Most of the obfuscation can be completely restored (eg. string encryption), but symbol renaming is impossible to restore since the original names aren't (usually) part of the obfuscated assembly.

• Support Single and multiple drag and drop files .
• Detect obfuscators/packers and De-Obfuscate DLL and EXE files.
• Add to contextual menu for DLL and EXE files.
• de4dot version checker.

In two steps :

• Copy de4dotUI.exe file in de4dot directory and run it.
• Use add to contextual option for quick and easy access to de4dotui.

de4dotUI is an open source (GPLv3) project.

You can download de4dot from de4dot home page.