Many users start with TunerPro because it is free or low-cost, accumulating a library of XDF files. As they progress to the more advanced features of WinOLS—such as superior visualization, checksum correction, and extensive database management—they need to bring their existing map definitions with them. How to Perform the Conversion
If you want to use the free, open-source TunerPro tool to edit your engine maps. 2. Finding Map Offsets Every ECU "Bin" (binary) file is unique.
Most experienced tuners manually re-create maps in WinOLS by looking at the addresses in the XDF.
Example output line: col1=42|col2=foo|col3=2026-04-10
A successful conversion requires more than just moving addresses; the mathematical formulas used to "translate" the data must be identical. If the XDF uses a specific offset that the KP doesn't account for, the tuner may end up seeing incorrect data, which can lead to engine failure during a live tune. Methods of Conversion