Trade & localization / TradeCheck Team
Invoice and purchase order checker
Compare invoice lines to purchase orders and flag duplicate invoice IDs.
Free working edition. Named workspaces and exports are local to your device. Team sync, automatic source monitoring and paid memberships are not available.
All prefilled business examples are fictional. Replace them with your own checked inputs.
Ready. Choose your inputs and generate a result.
Your inputs
Your result
Run the tool to see its output here. You can inspect, export or print the result.
How this tool works
Invoice amount = quantity × unit_price. Match vendor + PO, then compare the amount within your tolerance. Duplicate checks use vendor + invoice.
Method version: 2026-09-19.2
Input format
No automatic currency conversion. CSV headers remain English; use decimal points and ISO dates (YYYY-MM-DD).
- Invoice lines
vendor,invoice,po,quantity,unit_price,currency- Purchase order lines
vendor,po,quantity,unit_price,currency- Previously recorded invoices (optional)
vendor,invoice- Allowed amount difference
tolerance
Reproducible example
All prefilled business examples are fictional. Replace them with your own checked inputs.
Scroll horizontally to see all columns.| Vendor | Invoice | PO | Invoiced | Expected | Currency | Review |
|---|---|---|---|---|---|---|
| Sample vendor | INV-1 | PO-1 | 120.00 | 100.00 | USD | Amount mismatch |
Limits and assumptions
Single-line PO / invoice comparison; split invoices and tax/freight need manual review. No OCR, ERP connection, payment approval or fraud guarantee.
Sources and specifications
RFC 4180 — CSV formatCite or embed this tool
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