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CSV to IIF Converter

Convert CSV files to QuickBooks IIF format

100% Client-Side
No Upload Required
Free Forever

Convert to IIF

100% free, runs in your browser

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Excel (.xlsx) or CSV

Input Formats

CSV

Output Formats

IIF

Our CSV to IIF Converter transforms CSV transaction files into QuickBooks Desktop IIF format for seamless import. IIF (Intuit Interchange Format) is the native import format for QuickBooks Desktop, supporting transactions, lists, and budgets. Our converter handles the complex IIF syntax so you can easily move data from any CSV source into QuickBooks.

How It Works

Step 1

Upload CSV

Upload your CSV file with transaction data from any source.

Step 2

Configure Import

Map columns and select QuickBooks accounts for proper categorization.

Step 3

Download IIF

Get your QuickBooks-ready IIF file for direct import.

Features & Benefits

QuickBooks Desktop

Creates valid IIF files for QuickBooks Pro, Premier, and Enterprise.

Account Mapping

Map transactions to your QuickBooks chart of accounts.

Split Transactions

Support for multi-line splits in a single transaction.

Transaction Types

Creates proper check, deposit, transfer, and journal entry types.

Customer/Vendor Links

Optionally link transactions to existing customers or vendors.

Validation

Pre-import validation catches errors before QuickBooks import.

Common Use Cases

  • Importing bank transactions into QuickBooks Desktop
  • Migrating data from other accounting software to QuickBooks
  • Bulk importing historical transaction data
  • Loading transactions from custom business systems
  • Creating recurring transaction templates

Frequently Asked Questions

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