Invoice to PDF
Create a simple invoice in your browser and download it as a PDF.
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From:
To:
Invoice No: Date:
Item: Qty: Unit Price:
Preview
About Invoice to PDF
This Invoice to PDF tool creates a simple one-line invoice and exports it as a PDF. It is useful for quick freelance invoices, simple billing and lightweight invoice drafts.
Invoice Formula
// Invoice calculation
Subtotal = Quantity × Unit Price
Tax = Subtotal × Tax Rate
Total = Subtotal + Tax
// Example
Quantity: 5
Unit Price: $100.00
Subtotal: $500.00
Tax (8%): $40.00
Total: $540.00
// Invoice structure
{
from: "Your Company",
to: "Client Name",
invoiceNo: "INV-2024-001",
date: "2024-03-26",
items: [{ description, qty, price, total }],
total: sum(lineTotals)
}
Invoice Number Formats
| Format | Example |
|---|---|
| Sequential | 001, 002, 003... |
| Year-based | 2024-001, 2024-002... |
| Prefix + Sequential | INV-001, INV-002... |
| Client + Year | ACME-2024-001... |
Frequently Asked Questions
- What information should an invoice include?
- A valid invoice should include: Invoice number (unique identifier), Invoice date, Seller information (From), Buyer information (To), Item description, Quantity, Unit price, Total amount, Payment terms, and Due date. These elements ensure legal compliance and clear payment expectations.
- How do I calculate invoice totals?
- Invoice total is calculated as: Total = Quantity × Unit Price. For multiple items, sum all line totals: Sum(Qty₁ × Price₁ + Qty₂ × Price₂ + ...). Add tax if applicable: Total with Tax = Subtotal × (1 + Tax Rate). Example: 5 items at $100 each = $500 subtotal.
- What is a valid invoice number format?
- Invoice numbers should be unique and sequential. Common formats: INV-2024-001, 2024001, or simple sequential numbers (1, 2, 3...). Include year for organization. Avoid duplicate numbers. Sequential numbering is often required for tax compliance and audit trails.
- How do I export this invoice as PDF?
- Fill in the invoice details (From, To, Invoice No, Date, Item, Quantity, Unit Price), click 'Render Invoice' to preview the formatted invoice with calculated total, then click 'Download PDF'. The tool uses html2canvas and jsPDF to generate the PDF entirely in your browser.