The FinancialDataTools.com OFX to IIF Converter is a free, browser-based tool for converting OFX files to IIF format. It runs entirely in your browser — no file is ever uploaded to any server.
How It Works
Drop your OFX file onto the left panel or click Open to browse. Your source data is previewed in a table. Click Convert to IIF to generate the output in the right panel. Click Export IIF to download the result file.
Privacy and Security
All file processing happens inside your browser using JavaScript. No file content is transmitted to any server. Your financial data stays private on your device.