Lumara Invoice GeneratorHow to Create a Professional Invoice in 5 Steps
A simple walk-through of making a clear, professional invoice online: details, items, discounts and tax, template, then print or save as PDF.
Invoicing guides and tips
Short, practical guides for freelancers and small businesses. They explain how the free invoice generator works and what to check before you send an invoice.
What to Include on an Invoice: A Practical Checklist
The details most invoices need: numbers, dates, parties, line items, taxes, payment terms and notes, plus a reminder that requirements vary by country.
VAT, Sales Tax and Discounts: How Invoice Totals Are Calculated
Why the order of calculations matters. A worked example showing item discounts, an invoice discount, tax on the discounted amount, shipping and payments.
Invoice Numbering: Simple Systems That Keep You Organised
How to number invoices so each one is unique and easy to find, with examples and tips for avoiding duplicates and gaps.
How to Save an Invoice as a PDF on A4 or Letter Paper
Step by step: use your browser print window to save a clean PDF of your invoice, choose A4 or Letter, and fix common print problems.