Fairdell HexCmp is a specialized utility combining binary file comparison with a hex editor, widely used by professionals on forums like MHH Auto for ECU remapping and software analysis. It offers synchronous scrolling, color-coded differences, and editing capabilities to compare ROMs, identify map modifications, and detect corruption in raw data files. Explore technical discussions regarding this tool at MHH AUTO.
Fairdell HexCmp is a dual-purpose software that combines a visual binary file comparison tool with a full-featured hexadecimal editor. Unlike standard text editors, HexCmp allows users to see the raw, low-level data of any file, making it possible to identify minute differences between two pieces of firmware or ECU maps. Key Features for Automotive Tuning
If the thread is recent, you might also find complaints about Windows 10/11 compatibility. Fairdell HexCmp is an older Win32 application. To run it on modern Windows, you may need to:
Avoid if:
- You value system security over convenience (buy the legal version for ~$50).
- You can use a free alternative like HxD + WinMerge.
- The "full" version link looks suspicious (file size under 1MB, weird domain, no comments from other users).
is a "two-in-one" software that combines a visual binary file comparison tool with a full-featured hex editor. It is primarily designed for developers, analysts, and engineers who need to perform low-level data inspection or verify builds. Core Features On-the-Fly Comparison
The Bad:
