Private, browser-only processing
Fix your accounting CSV before the import fails.
Find malformed dates, invalid amounts, blank rows and import limits. CSV Mender repairs the file on your device and prepares a clean, accounting-ready export.
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Never uploadedChoose a CSV file
✓ No account required✓ Files stay in your browser✓ Free error report
Built for the moment a bookkeeping import fails.
BANK CSV
Turn inconsistent columns into one clean statement.
CSV Mender recognizes common Date, Amount, Debit, Credit, Payee, Description and Reference columns. It shows every excluded row before export.
31/12/25Coffee£ 4,50
↓ validated and normalized
2025-12-31Coffee-4.50
PAYPAL ACTIVITY
Separate currencies. Exclude pending movements.
PayPal exports are detected from their headers, not fragile column positions. Completed net movements become one file per currency; pending and zero-value rows stay visible in the report.
GBP statement148 rowsUSD statement42 rowsTotals are never converted between currencies.
Check and download free while we validate the product.
Unlimited validation, issue report, corrected preview and downloads.
Every repaired batch from one transformation session.
Try the betaFor bookkeepers processing files regularly. Up to 100 exports.
Try the betaGOOD TO KNOW
Your file stays yours.
Do you upload my financial data?
No. Parsing, validation, preview and export happen in your browser. Clearing or refreshing the page removes the working data.
Does this connect to my accounting account?
No. CSV Mender does not request bank access or accounting credentials. You import the downloaded file yourself.
Is every file guaranteed to import?
No tool can control organization settings or field mapping. CSV Mender checks documented format constraints and clearly flags rows that still need review.