Banana What Is a Proforma Invoice? Meaning, Uses & Free Template
Invoicing Basics · 7 min read · Updated June 2026
The short answer: a proforma invoice is a preliminary bill of sale sent to a buyer before goods or services are delivered. It looks like an invoice and lists the same details items, quantities, prices, totals but it isn't a demand for payment and it isn't a legal tax document. Think of it as a formal, detailed quotation in invoice format.
Proforma invoice meaning
"Proforma" comes from the Latin pro forma, meaning "for the sake of form." A proforma invoice is issued as a formality: it previews exactly what the final bill will look like so the buyer can approve the price, arrange financing, or clear customs before the sale is finalised. Because it precedes delivery, it carries no obligation to pay and is never recorded in either party's accounts.
When should you use a proforma invoice?
Freelancers, small businesses and exporters use proforma invoices in four common situations:
- Advance payment the client wants to pay a deposit (or the full amount) before work starts, and needs a document showing what they're paying for.
- Internal approval the buyer's finance team needs a formal document to raise a purchase order or approve a budget.
- International shipping customs authorities use proforma invoices to estimate duties before the commercial invoice exists.
- Confirming scope both sides want the items, quantities and price locked in writing before committing.
What should a proforma invoice include?
A proforma invoice contains almost everything a standard invoice does see our full checklist of what to include on an invoice with two key differences: it's clearly labelled "Proforma Invoice" and it isn't assigned a number from your official invoice sequence. Include:
- The words "Proforma Invoice" prominent, so it can't be mistaken for a tax invoice
- Your business name and contact details, and the buyer's details
- A description of goods or services, with quantities and unit prices
- The estimated total, including any tax, shipping and discounts
- An expiry or validity date ("prices valid for 30 days")
- Estimated delivery date and payment terms see invoice payment terms explained
Proforma invoice vs invoice: the difference
| Proforma Invoice | Standard Invoice | |
|---|---|---|
| Purpose | Estimate / preview of the sale | Legal request for payment |
| Timing | Before delivery | After (or on) delivery |
| Legally binding | No | Yes |
| Recorded in accounts | No | Yes |
| Tax (VAT/GST) reclaimable | No | Yes |
| Invoice number | Outside the official sequence | Sequential and unique |
It also differs from a receipt an invoice requests payment, a receipt confirms it. We cover that in invoice vs receipt.
Proforma invoice format: how to make one (free)
You don't need special software. The fastest way is to use a simple invoice generator and change the document title:
- Open the free Banana Invoice generator no signup needed.
- Click the "INVOICE" title and type "PROFORMA INVOICE" instead.
- Add your details, the buyer's details, and the line items with prices.
- Add tax if applicable there are dedicated generators for VAT and GST invoices.
- Note the validity period and estimated delivery in the Terms field.
- Download as PDF and send. When the sale completes, issue the final invoice with a proper number our invoice number generator helps you keep the sequence clean.
Frequently asked questions
Is a proforma invoice legally binding?
No. It's a good-faith estimate, not a contract or a demand for payment. Neither side records it in their books, and it can't be used to reclaim VAT or GST. The binding document is the final invoice.
Can a client pay against a proforma invoice?
Yes advance payments against proforma invoices are common, especially in exports. Just remember to issue a final invoice once you deliver, because that's the document the client's accountant (and the tax office) needs.
Does a proforma invoice need a number?
It shouldn't use your official invoice sequence. Many businesses use a separate prefix like PF-001 so proformas never collide with real invoice numbers. See our guide to invoice numbering best practices.
Proforma invoice vs quote what's the difference?
They serve the same purpose at different formality levels. A quote is an early-stage price estimate; a proforma invoice is a near-final document issued when the buyer is ready to commit, formatted exactly like the eventual invoice.