Been searching for something like this for months. Our Shopify store processes 500+ orders monthly and this handles everything perfectly. Date formats, tax columns, refunds - all correct.
Xero Invoice CSV Validator
Check your invoice CSV for errors before importing to Xero.
How It Works
Prepare CSV File
Export or create your invoice CSV with required columns
Select Region
Choose your Xero organization's region for date format
Upload File
Drop your CSV file or click to browse
Review Results
See validation summary and detailed error list
Your Data is Safe
Bank-Level Security
256-bit SSL encryption. Same standards as major financial institutions.
No Data Storage
Files are processed directly in browser. No calls to our servers.
GDPR Compliant
Full EU data protection compliance. Your privacy rights protected.
Why Validate Before Xero Import?
Avoid Import Failures
What This Tool Checks
Common Target Import Errors
Issues you might encounter when importing Source data to Target - and how we solve them
Missing Contact Name
The ContactName column is required for each invoice
(blank ContactName)
John Smith
Each invoice needs a contact name (customer)
Add contact names; Xero will create contacts if they don't exist
Invalid Date Format
Dates must match your Xero region format
2025-01-15 or 01/15/2025 (for UK)
15/01/2025 (UK) or 01/15/2025 (US)
UK/AU/NZ uses DD/MM/YYYY, US uses MM/DD/YYYY
Reformat dates to match your Xero organization's region
Duplicate Invoice Number
Xero rejects InvoiceNumber values that already exist
INV-1001 (already exists in Xero)
INV-1002 (unique)
Each invoice needs a unique InvoiceNumber
Check Xero for existing invoices before importing
Tax Type Not Found
TaxType must exactly match a configured tax rate in Xero
20% VAT
20% (VAT on Income)
Use exact tax rate names from Xero Settings > Tax Rates
Update TaxType to match Xero's configured tax rates exactly
Missing Account Code
AccountCode is required for each line item
(blank AccountCode)
200
Every line needs a valid Xero account code
Add account codes from Xero Settings > Chart of Accounts
Why Use This Tool?
Column Validation
Checks for required columns like ContactName, InvoiceNumber, InvoiceDate, AccountCode.
Regional Date Validation
Validates dates in DD/MM/YYYY (UK/AU/NZ) or MM/DD/YYYY (US) format.
Row-Level Errors
Get specific error messages with row numbers for quick debugging.
Multi-Line Support
Validates invoices with multiple line items sharing same InvoiceNumber.
Browser-Based
Files processed locally. Your data never leaves your computer.
Instant Results
Get validation results in seconds, even for large files.