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How to Create a Professional Invoice for Free
An invoice is not paperwork — it is the document that gets you paid. Vague invoices get queried, delayed and 'lost'; clear ones get paid on time. This guide walks through making a complete, professional invoice with a free online generator: business details, itemized work, tax, totals and payment terms, finished as a clean PDF you can send anywhere.
Step by step
- Open the Invoice Generator and fill in your business name, address and contact details at the top.
- Add the client's name and details, the invoice date and the due date.
- Add each item or service as its own line with quantity and rate — the totals calculate automatically.
- Set the tax rate if you charge tax, and add a note with your payment details and terms (for example 'Payment due within 14 days').
- Download the PDF and send it to your client.
Open the Invoice Generator tool
Tips for better results
- Number every invoice uniquely and sequentially — use the Invoice Number Generator if you are starting a system.
- Shorter payment terms (7-14 days) are normal for small jobs and improve cash flow more than any discount.
- Always include HOW to pay (bank details or payment link) — missing payment details are the #1 cause of 'I was about to pay' delays.
Frequently asked questions
Your business name and contact details, the client's details, a unique invoice number, the date, an itemized list of what was supplied, quantities and rates, tax if applicable, the total due, and the due date.
Each line is quantity × rate; lines add up to the subtotal, tax is applied to the subtotal, and the grand total is shown — the generator does all of this automatically as you type.
The generator runs in your browser without accounts. For recurring clients and bookkeeping, pair it with the Customer Records and Payment Tracker tools on this site.