Simple invoice generator
Complexity is the enemy when you are standing in a coffee shop answering “Can you invoice today?” A simple invoice generator should expose only the fields that matter: who is billing whom, which services shipped this cycle, and what total is due. Everything else—corporate letterhead, multi-currency ledgers, purchase-order portals—can wait for your accounting system once the client actually pays.
SmartFlexa keeps the form on one screen: two identity blocks, invoice metadata, a flexible line table, and a live preview that updates as you tab through quantity and price cells. Optional tax stays tucked in a single percentage box so you are not forced into VAT workflows when you only need a US-style subtotal. When the layout looks right, export a PDF or print without leaving the browser tab that already holds your project notes.
Prefer the canonical guide and FAQs? Open the full invoice generator. For positioning around “free” positioning or freelance retainers, see invoice generator free and freelance invoice generator.
Invoice details
Line items
Enter item name, quantity, and unit price. Totals update as you type.
- Subtotal
- $0.00
- Total
- $0.00
Preview
INVOICE
#INV-20260423-2077
Date 2026-04-23
Due 2026-05-23
From
Your business name
Bill to
Client name
| Item | Qty | Price | Amount |
|---|---|---|---|
| — | 1 | $0.00 | $0.00 |
| — | 1 | $0.00 | $0.00 |