Choose a copy
Export transactions from the bank and work on a copied or redacted CSV.
BANK CSV → QUICKBOOKS
Map the date, description and amount columns, expose invalid rows and preview a normalized three-column file before you import anything.
Check a CSV freeTHE SHORT ANSWER
Use a copied bank export, select the correct date order and map either one signed Amount column or separate Debit and Credit columns. The checker normalizes a preview and identifies the source rows that still need attention.
FREE · LOCAL · FIRST 250 TRANSACTIONS
The file is parsed in this browser tab. No CSV content is uploaded to CSV Preflight.
Use the example or a redacted copy. Nothing is sent to a server.
SAFE WORKFLOW
Export transactions from the bank and work on a copied or redacted CSV.
Select the true transaction date, description and amount columns.
Correct the source rows identified by the diagnostic before importing.
ONE LOCAL ENGINE, MULTIPLE JOBS
Map a Stripe balance-transactions CSV to a clean Date, Description and Net Amount preview for QuickBooks, locally in your browser.
Open free tool →TOOLFind exact duplicate date, description and amount rows in a bank CSV before a QuickBooks import, without uploading the file.
Open free tool →NEED THE REPAIRED EXPORT?
Unlimited local scans, clean three- or four-column CSV downloads and a reject report.
Get CSV Preflight Local · $29 CAD