How to Number Invoices: Invoice Number Formats and Examples
Not sure how to number your invoices? See simple invoice number formats, the rules to follow, and what to do with credit notes and new years.
5 min readProforma Invoice vs Tax Invoice vs Commercial Invoice: What Is the Difference?
Proforma, tax and commercial invoices look alike but do different jobs. Learn when to use each one, with a comparison table and examples.
6 min readHow to Follow Up on an Unpaid Invoice: Timeline and Email Templates
Client not paying? Follow this step-by-step timeline and copy 4 polite payment reminder email templates to get your unpaid invoice paid.
7 min readInvoice Payment Terms Explained: Net 15, Net 30 and Due on Receipt
What do Net 15, Net 30 and Due on Receipt mean? Learn how to choose invoice payment terms, add late fees and get paid faster.
6 min readHow to Create an Invoice as a Freelancer: Step-by-Step Guide
Learn how to create a professional freelance invoice in 8 steps. See what to include, a sample layout, and common mistakes that delay payment.
7 min readWhat Is WHT on an Invoice? Withholding Tax Explained With Examples
What withholding tax is, how it differs from GST and VAT, and how much you really receive, with a worked example.
6 min readGST vs VAT: What Is the Difference? A Simple Guide
How GST and VAT work, where they differ by country, and how to show them on an invoice, with a simple example.
5 min readWhat to Include on a Tax Invoice: Checklist and Sample
A 13-point checklist for a complete tax invoice, a sample layout, and notes for the UAE, India and Pakistan.
6 min readFree tools from Billfy
Invoice generator · Take-home calculator · Bulk invoice generator · Invoice tracker · Rent receipt generator · Salary slip generator