Guides
Invoicing, made simple.
Clear, practical guides for freelancers and small businesses: how to make an invoice, what to put on it, the difference between an invoice, a receipt and a quote, and how to get paid sooner. Each one is backed by a free, in-browser generator.
How to Add VAT or GST to an Invoice
When to charge VAT or GST, how to show the tax line and the total, and what a tax invoice usually needs. General guidance with a free generator.
Read guideHow to Charge a Late Fee on an Invoice
How to set a fair late fee, state it on the invoice before you need it, and apply it calmly so you protect cash flow without burning the relationship.
Read guideHow to Invoice as a Freelancer
You do not need a company to invoice. Here's what to put on a freelance invoice, how to handle tax, and when to send it to get paid on time.
Read guideHow to Write a Payment Reminder Email
Most late payments are oversights. Here's how to write a calm reminder that gets the invoice paid, with templates for the first nudge and firmer follow-ups.
Read guideHow to Write a Receipt
A receipt is proof that payment was made. Here's what to put on one, how it differs from an invoice, and when to issue it, with a free generator.
Read guideInvoice Numbering Best Practices
Keep invoice numbers unique, sequential and consistent. Here's how to pick a numbering format that scales and avoids gaps or duplicates.
Read guideWhat Is Net 30? Payment Terms Explained
Net 30 means pay within 30 days of the invoice date. Here's what net 15, net 60, due on receipt and other payment terms mean, and which to use.
Read guideHow to Get Paid Faster on Your Invoices
Clear terms, easy payment, prompt sending and a calm follow-up routine, the practical levers that get invoices paid sooner.
Read guideHow to Make an Invoice (Step by Step)
What goes on an invoice, how to number it, and how to send one that gets paid, with a free generator to do it in your browser.
Read guideHow to Write a Quote That Wins the Work
What a good quote includes, how long to make it valid, and how to turn it into an invoice once the client says yes.
Read guideInvoice vs Receipt vs Quote: What's the Difference?
A quote asks 'shall we?', an invoice asks 'please pay', and a receipt confirms 'you paid'. Here's how the three documents differ and connect.
Read guideWhat Is a Purchase Order (and How to Raise One)
What a purchase order is, how it differs from an invoice, and what to put on one, with a free generator to raise a clean PO.
Read guideWhat to Put on an Invoice: The Checklist
A field-by-field checklist of everything a professional invoice should include, so nothing important is missed.
Read guideSkip the reading, just make the document
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