These are assembly-level debuggers rather than decompilers. They allow you to run an EXE step-by-step to watch how it manipulates memory and registers in real-time. Step-by-Step: How to Decompile an EXE Online

Before we list the links, we must manage expectations. An is compiled machine code. It speaks directly to the processor. Turning it back into source code (like C++, C#, or VB.NET) is not a perfect science.

Practical recommendations

⚠️ Online decompilers have file size limits (usually 10–20 MB) and cannot recover original source code perfectly, especially for native EXEs. For serious work, use offline tools like Ghidra , IDA Free , or dnSpy (for .NET).