Convert CSV to IIF for QuickBooks Desktop

Get IIF files from your CSV data for direct QuickBooks Desktop import.

Bank-grade security - Files encrypted in transit, never stored
Files encrypted in transitNo files storedNo signup required

How It Works

1

Upload Your CSV

Drop any CSV file — any bank, any layout

2

Columns Auto-Detected

We detect dates, descriptions, amounts, and other fields automatically

3

Download IIF

Get your clean IIF file instantly

IIF

What is IIF?

Intuit Interchange Format

Tab-delimited format used exclusively by QuickBooks Desktop. Supports journal entries, invoices, bills, and bank transactions for bulk import.

CSV

What is CSV?

Comma-Separated Values

Universal plain-text format readable by every spreadsheet app, database, and accounting tool. Ideal for importing transactions into Excel, Google Sheets, Xero, or custom workflows.

Why This Tool

Auto Column Detection

Automatically finds date, description, amount, and other columns

Works With Any CSV Layout

Handles any bank export format or custom CSV

Instant Conversion

Get your file converted in under a second

Secure & Private

Files are processed and never stored on our servers

When to Use This

QB Desktop Import

Turn bank CSVs into IIF for QuickBooks Desktop bulk import

Journal Entries

Convert CSV transaction lists into properly formatted IIF journal entries

Data Migration

Move transaction data from spreadsheets into QuickBooks Desktop via IIF

Frequently Asked Questions

Q

Is IIF supported in QuickBooks Online?

No. Use QBO format for QuickBooks Online. IIF is for QuickBooks Desktop only.

Q

What CSV format is expected?

Any CSV with transaction data. We auto-detect date, description, amount, and other columns.

Q

Do I need specific column names?

No. We auto-detect date, description, amount, and other columns regardless of naming.

Q

Is my data secure?

Files are encrypted in transit via TLS. We process in memory and never store your data.

Q

Is it really free?

Yes. No signup, no watermarks, no limits, no hidden fees.