Hal Shaffer

Owner, Operator, and Developer

ECM Calibrations builds and offers custom tuning services and software tools to make working with automotive calibration files easier and more efficient with user-friendly accessibility

This company grew out of hands-on work with controller files and the repetitive tasks that come with them. Whether it’s editing VIN information, viewing calibration details, converting binary formats, or organizing data, the goal is to build practical tools that save time and make the process more straightforward.

We take an active role in developing, testing, and improving these applications. Feedback from people using them helps us identify what works well and where improvements would be useful.

For questions about supported files, software features, or purchasing a license, contact me at