How to make an invoice for free, step by step
You don't need accounting software for a correct invoice. Five steps, about two minutes, in the tool below. It works the same on an iPhone, Android phone or computer, and keeps working offline once loaded.
- Your details and the client's
- A unique invoice number and today's date
- One line per product or service: quantity × rate
- Payment terms (due date) and how to pay
- Download the PDF or print it, then email it
Everything below the heading is the real app. Read the guide ↓
Sending invoices every month?
Billsprig Pro: unlimited PDFs with no footer line, your logo, saved clients and prices, automatic INV-0001 numbering, paid/unpaid history and a CSV for your accountant. $4/month or $29 once.
Invoice history PRO
Billsprig does not give tax or legal advice; check local invoice requirements (e.g. VAT/GST numbers) with your accountant.
1. Your details and the client's
Business name, email, address (and phone or website if you like). Press Save as my business once and they are filled in next time. Then the client's name and address under Bill to.
2. Number and date
Every invoice needs a number that is never reused. Start at INV-0001 and keep counting up; Billsprig warns you if the number is empty, and Pro numbers each new invoice for you.
3. The lines
Description, quantity, rate. Add a discount % or a tax % per line if needed; the totals follow. Here is how the app adds up its own example:
| Description | Qty | Rate | Disc. | Tax | Amount |
|---|---|---|---|---|---|
| Brand identity: logo, colours and type | 1 | $1,200.00 | $1,200.00 | ||
| Website design, 5 pages | 1 | $2,400.00 | 10% | $2,160.00 | |
| Copywriting (hours) | 8 | $75.00 | $600.00 | ||
| Printed business cards, box of 500 | 2 | $45.00 | 8% | $90.00 | |
| Subtotal | $4,050.00 | ||||
| Tax 8% on $90.00 | $7.20 | ||||
| Total due | $4,057.20 |
4. Terms and how to pay
Choose Payment terms (the due date is set for you) and say how to pay in Notes / terms. If you have a Stripe or PayPal payment link, paste it in "Pay online" link: the PDF gets a clickable Pay online button.
5. PDF or print
Download PDF makes a real PDF with searchable text (5 free a month); Print is unlimited. Attach the PDF to an email to your client.
On an iPhone
Open this page in Safari, fill it in and press Download PDF; the PDF opens and you can share it to Mail or Files. To keep the app on your home screen, use Share → Add to Home Screen.
Honest limits
The free plan keeps one business profile and no history; if you clear your browser data, saved details go with it (Pro adds a history and you can back up to a JSON file). Billsprig does not send invoices or take payments itself.
Questions
How do I make an invoice for free?
Fill in your details, the client's, a unique number, the lines and the payment terms in a free invoice generator like the one on this page, then download the PDF and email it.
Can I make an invoice on my phone?
Yes. The tool works in any phone browser, and the PDF can be shared straight to email.
Do I need an account?
No. Nothing is uploaded and there is no sign-up; your details stay in your browser.
What is the free limit?
5 PDF downloads a month (with a small "Made with Billsprig" line) and unlimited printing. Pro is unlimited with no footer.
How do I number my invoices?
Use a sequence that never repeats, such as INV-0001, INV-0002. Billsprig Pro numbers each new invoice automatically.
Key facts
- What it is
- Step-by-step instructions plus the free invoice maker itself; makes a PDF invoice in the browser.
- Price
- Free; Pro $4/month or $29 once
- Free tier
- 5 PDF downloads a month (with a small "Made with Billsprig" line), unlimited printing, invoices, quotes, estimates and receipts, no account.
- Limits
- Free: 5 PDFs a month, unlimited printing, 1 saved business. Pro: unlimited, logo, numbering, history.
- Runs where
- In your browser. Nothing you type is uploaded; it works offline once loaded.
- Sources
- The app's own engine (worked examples on this page)
- Last updated
More Billsprig guides
- Freelance Invoice Template (Free PDF, No Sign-up)
- Invoice for Services Rendered: Free Template + Example
- Self-Employed Invoice Template UK: What It Must Include
- Billsprig home: the full app
Billsprig is a document tool, not tax or legal advice. Example data on this page is made up; numbers were worked out by Billsprig's own engine on 2026-10-08.