Free Online Tool

Invoice Payment Reconciler

Reconcile invoice and payment CSV exports locally to detect paid, partial, unpaid, overpaid, and orphan payment rows.

Reconcile invoices against payment exports

Invoices CSVPayments CSV

Invoices

Paid / Partial / Unpaid / Overpaid

1 / 1 / 0 / 0

Orphan payments

Total due vs paid

2,060.00 vs 1,600.00

Reconciliation CSV report

invoice_id,client,status,amount_due,total_paid,delta,due_date,last_payment_at
INV-1001,Northwind,paid,1200.00,1200.00,0.00,2026-02-15,2026-02-12
INV-1002,Acme Retail,partial,860.00,400.00,-460.00,2026-02-20,2026-02-19

type,invoice_id,payment_id,amount,paid_at

What problem does this tool solve?

Teams waste hours matching invoice PDFs and bank rows manually, leading to missed follow-ups and close-week errors.

How to use Invoice Payment Reconciler

Paste invoice CSV with invoice ID and amount due.
Paste payment CSV with invoice ID and payment amount.
Review reconciliation status and copy the generated report CSV.

FAQ: Invoice Payment Reconciler

Can this detect partial and overpayments?

Yes. It classifies invoices as unpaid, partial, paid, or overpaid based on aggregated payment totals.

What happens to payments with unknown invoice IDs?

Unknown references are reported as orphan payments so you can investigate mapping issues.

Does this upload financial data anywhere?

No. Reconciliation is processed entirely in your browser with no external API calls.