Invoicing guides
Plain-English guides to invoicing for freelancers and small businesses — and a free, private tool to make the invoice itself.
How to write an invoice (step-by-step)
The 8 things every invoice needs, in order, with a free template you can fill in right now.
What to include on an invoice
A complete checklist — from invoice number and tax details to payment terms that get you paid on time.
How to invoice as a freelancer
The five pieces that matter — billing method, essentials, payment terms, getting paid, and keeping records.
Invoice vs receipt
They do opposite jobs: an invoice requests payment, a receipt confirms it. When to use each.
Payment terms explained
Net 30, due on receipt, deposits — what the common terms mean and which get you paid faster.
Looking for a ready-made starting point? Browse invoice templates by profession, contract templates, or proposal templates.
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