OFX files can be easily converted to QIF using either the ProperConvert app. The converter is designed to make the conversion process simple and straightforward, and you can actually see the data you are converting
See the contents of the OFX file before converting. OFX files are not easy to observe through notepad or other text viewing tools, and converters are doing a great job showing you the data as a regular table.
Simply load the file, review it and click the Save button to create the QIF file and finish the conversion.
You can optionally reject some transactions you don’t want to be imported
Both converters support command-line automation.