About QBOConverter

It started with an email from a client in the United States. They had been using QuickBooks Desktop for years without any issues — until one day, importing bank transactions simply stopped working. The error code was OL-222.

I'm Kenta Kido, a software developer based in Japan. When I looked into it, I found that Intuit had quietly discontinued Web Connect support for older versions of QuickBooks Desktop. There was no clear announcement, no migration guide. Community forums were full of confused users posting the same error with no real answers.

The only workaround I could find involved manually extracting transaction data from .qbo files and reformatting it as CSV — tedious, error-prone, and not something you want to do every month. So over a weekend, I built a converter that transforms .qbo and .ofx files into .iif format, which QuickBooks Desktop still imports natively without any online connection.

I realized there had to be thousands of other small businesses hitting the same wall. So I put the tool online and made it free. That's QBOConverter.

QBOConverter is a free online tool that converts .qbo, .ofx, and .qif bank transaction files into .iif (Intuit Interchange Format) — a format every version of QuickBooks Desktop can import natively via File → Utilities → Import → IIF Files.

It works entirely in-browser upload with server-side processing. Your files are never stored — they are processed in memory and discarded immediately after conversion. You get 3 free conversions per day with no account required.