Invoice Generator

How to Create an Invoice

An invoice is a document sent by a seller to a buyer requesting payment for goods or services. This generator creates professionally formatted invoices with all the essential elements: unique invoice number, dates, sender and recipient information, itemized line items with quantities and prices, tax calculation, and a total amount due. Fill in the form above and click Generate to create your invoice.

Each line item includes a description, quantity, and unit price. The calculator automatically computes line totals, subtotal, tax, and grand total. You can add as many line items as needed using the Add Item button. The tax rate is applied to the subtotal. Set it to zero for tax-exempt invoices.

Invoice Best Practices

Use sequential invoice numbers for easy tracking and accounting. Set clear payment terms in the notes section, such as "Net 30" (payment due within 30 days) or "Due upon receipt." Include your preferred payment methods and bank details. Send invoices promptly after delivering goods or services to maintain cash flow.

Tax Considerations

Tax rates vary by jurisdiction. In the US, sales tax ranges from 0% to over 10% depending on the state and locality. The EU uses VAT rates ranging from 17% to 27%. Some services and products may be tax-exempt. Consult your accountant or local tax authority to determine the correct rate for your invoices. Always include the tax amount as a separate line for transparency.

Record Keeping

Keep copies of all invoices for at least seven years for tax purposes. Organize them by invoice number or date for easy retrieval. Track payment status to identify overdue invoices. Send polite reminders for payments past their due date. Consider using accounting software for invoicing at scale.

Frequently Asked Questions

How do I create an invoice?

Enter invoice number, dates, sender/recipient details, add line items, set tax rate, and click Generate Invoice.

What should an invoice include?

Invoice number, dates, sender and recipient info, itemized line items, subtotal, tax, total, and payment terms.

How does tax calculation work?

The tax rate percentage is applied to the subtotal. A $1,000 subtotal with 10% tax adds $100 for a $1,100 total.

What currencies are supported?

USD, EUR, GBP, JPY, CAD, and AUD with their respective symbols. No currency conversion is performed.

Can I download the invoice?

Yes, click Download to save as a text file. Print to PDF using your browser's print function for PDF format.