I created a standalone .ecu file builder GUI based on ME7Info.
Simply select your file manually or drag and drop it into the interface, then click "Build ECU File."
All the same options from ME7Info are available, but now in a faster and more user-friendly graphical format.
Link below. Python code attached
https://mega.nz/file/N5xxjKZQ#yINSoNwIaRKhWx8ysOVIV-8C1AK4II_6joPptiwEPGM