Free IIF Viewer — Open and Browse QuickBooks IIF Files Online

About the Free IIF Viewer

The FinancialDataTools.com IIF Viewer is a free, browser-based tool for opening, inspecting, and exporting QuickBooks IIF files. It runs entirely in your browser — no file is ever uploaded to any server.

What Is an IIF File?

IIF stands for Intuit Interchange Format. It is a tab-delimited text format used by QuickBooks to import and export financial data including accounts, transactions, customers, vendors, and inventory items. IIF files are organized into record-type sections defined by lines beginning with an exclamation mark.

Supported Record Types

The viewer supports all standard IIF record types: ACCNT (accounts), TRNS and SPL (transactions and splits), CUST (customers), VEND (vendors), INVITEM (inventory items), CLASS (classes), PAYMETH (payment methods), TERMS (payment terms), and more.

Key Features

Browse records by type using the tab bar. Sort any column ascending or descending. Filter rows by column values or custom conditions. Export data to CSV, JSON, TSV, or Excel (.xlsx).

Privacy and Security

All file processing happens inside your browser using JavaScript. No file content is transmitted to any server. Your QuickBooks financial data stays private on your device.

How to Use the IIF Viewer

Click the Open button or drag and drop your IIF file onto the viewer. Your data appears organized by record type in tabs. Click a tab to view that record type. Use the search box to find values. Click column headers to sort. Use the filter buttons for advanced filtering. Click Export to download the current view in your preferred format.

Use Cases for Financial Data

Inspect QuickBooks account exports before import. Review transaction and split records in TRNS/SPL sections. Audit customer and vendor lists. Verify inventory items and pricing. Convert IIF data to Excel for further analysis or reporting.

Frequently Asked Questions

Is the IIF Viewer really free?

Yes, completely free with no signup required. All features are available at no cost.

Does my IIF file get uploaded to a server?

No. All processing is local in your browser. Nothing is uploaded.

What is the IIF file format?

IIF is Intuit Interchange Format, a tab-delimited text format used by QuickBooks for data import and export.

How large an IIF file can I open?

Up to several hundred megabytes depending on your device. Large files are automatically paginated.