How to Write an Invoice (Step by Step)

What an invoice actually is

An invoice is a simple request for payment that records what you did, what it costs, and when it is due. It is not a legal maze. Get a few things right and it does its job: you look professional, the client knows exactly what to pay, and you have a record if anything is ever disputed.

The parts every invoice needs

• Your name or business, and contact details.
• The client's name and details.
• A unique invoice number and the date.
• A line for each item: description, quantity, rate, amount.
• The subtotal, any tax, and the total due.
• When and how to pay, and the due date.

Make it clear, not clever

The goal is zero confusion. Spell out each line so the client never has to ask what something means. State the due date plainly, due within 14 days beats a vague soon. The clearer the invoice, the faster it gets paid, because there is no reason to set it aside.

The fast way

You do not need software or a template you fight with in a word processor. Our free invoice generator fills all of this in, looks clean, and saves straight to a PDF. No signup, no watermark.