are now considered legacy, modern reverse engineering efforts typically rely on the following: Interactive Delphi Reconstructor (IDR):
Before decompiling, run the EXE through PEiD or Detect It Easy (DIE) . You need to confirm it is actually Delphi 7. If it says "Borland Delphi 7.0," proceed. If it says "ASPack" or "UPX," it is packed. You must unpack it first (using UPX -d or a generic unpacker), otherwise the decompiler will see gibberish.
While you cannot perfectly "unbake the cake," several powerful tools can help you recover forms, event aliases, and assembly logic. borland delphi 7 decompiler
If you are looking for a Borland Delphi 7 decompiler, start with IDR (Interactive Delphi Reconstructor). It is the most robust tool for understanding the underlying logic of a Delphi binary. While you won't get a "copy-paste" replacement for your lost source code, you will gain enough insight to rebuild the application or understand its inner workings. If you're working on a specific project, let me know: Do you have the file? Are you trying to fix a bug or just see how it works ? Do you have experience reading Assembly (x86) ?
Delphi 7 is a native code compiler. Unlike C# (which compiles to IL) or Java (which compiles to Bytecode), Delphi translates Pascal code directly into x86 machine instructions. If it says "ASPack" or "UPX," it is packed
This is the gray area.
Generates that can be imported into external debuggers or IDA Pro . If you are looking for a Borland Delphi
If the original developer compiled with "Optimization" turned on (which is the default in Delphi 7), the compiler reorders instructions, removes unused variables, and inlines short functions. The decompiler shows you the result of this optimization. It will look messy compared to hand-written code.