— closest to "decompiling back to source":

Elias, a midnight-oil coder obsessed with a corrupted piece of abandonware from his childhood, clicked it. He didn’t want to steal code; he wanted to remember. He uploaded the .exe file—a tiny 4MB platformer called Lumina —and waited.

: An industry favorite for reverse engineering .NET assemblies. It features a powerful editor and debugger, allowing you to modify and recompile code directly.

– They might only work for simple .NET executables (which can be decompiled into C#) using tools like ILSpy or dnSpy , but they require running locally.

// LOGIROUTE SYSTEM - CORE BUILD // Author: M. Vane // Compiled: Oct 12, 2003 // WARNING: This software contains a time-bomb logic gate.

While true "one-click" online decompilers for complex Windows executable (.exe) files are rare due to the security risks and processing power required, there are several reputable online tools and free software options you can use to view source code or program resources. Online EXE Decompilers