CSV to IIF Converter

Convert CSV transaction files into QuickBooks IIF format for easy import into your accounting workflow.

Create your IIF file

Your CSV is processed locally in this browser and is not uploaded to our servers.

Choose a CSV with transaction dates, descriptions and either a signed amount or separate debit and credit columns. Maximum file size: 10 MB.

Each debit or credit becomes a bank transaction with an equal-and-opposite split. Mapped CSV categories override the default offset account.

CSV parsing and IIF generation happen on your device. The file is not uploaded and no conversion API is called.