A decompiler reverses the compilation process. While a compiler turns high-level code (like or Java ) into machine-readable binary, a decompiler attempts to reconstruct the original logic and structure from that binary.
An interactive online platform that allows you to compare the output of multiple popular decompilers (like Ghidra , Hex-Rays , and Procyon ) side-by-side. dll decompiler online
For more intensive projects, desktop tools offer greater power and privacy: A decompiler reverses the compilation process