How to use the Proforma Invoice Generator
- Enter seller and buyer details.
- Add items, tax and a valid-until date.
- Download the PDF.
How it works
Totals use Subtotal = Σ(quantity × price); Tax = (Subtotal − Discount) × %; Total = Subtotal − Discount + Tax.
Worked example
Ten units at 450 with 18% tax: subtotal 4,500, total 5,310.
Good to know
A proforma is an estimate; issue a final tax invoice after delivery.
Often used for export shipments, advance payments and customs.
Your business name is remembered locally.
Frequently asked questions
A preliminary invoice quoting goods or services before the sale is completed.
A proforma is a quote-like estimate; a commercial invoice is the final record of the sale.
Generally no, unless accepted as a contract.
BillGen provides general-purpose tools; verify important outputs before relying on them.