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What Is an Invoice?
An invoice is a formal billing document that businesses send to clients after completing work or delivering products. It serves as a payment request, detailing what was provided, the amount owed, and payment terms (like Net 15, Net 30, or 2/10 Net 30). Unlike a receipt, an invoice is sent before payment is received. Learn more about invoice meaning and definition.
Read full invoice definition →Popular Free Invoice Templates
Download free invoice templates in multiple formats. Choose the invoice format that works best for your business.
Business Tools & Resources
Stripe Fee Calculator
Calculate Stripe payment processing fees for your invoices. Know exactly how much you'll receive after fees.
Calculate Stripe Fees →PayPal Fee Calculator
Calculate PayPal transaction fees for invoice payments. Understand PayPal invoicing costs.
Calculate PayPal Fees →Square Invoicing Guide
Learn how to send invoices through Square and integrate Square payments with your invoicing workflow.
Square Invoicing Guide →Frequently Asked Questions
What is an invoice?
An invoice is a formal billing document sent to clients after completing work or delivering products. It requests payment and includes details like services provided, amounts owed, and payment terms. Learn more about what an invoice is.
How do I make an invoice for free?
You can create a free invoice using our free invoice generator. No sign-up required. Simply fill in your business details, add line items, and download your invoice as a PDF. We also offer free invoice templates in Word, Excel, and PDF formats.
What's the difference between an invoice and a receipt?
An invoice is sent before payment is received and requests payment from the client. A receipt is issued after payment is received and confirms that payment was made. An invoice shows what is owed, while a receipt shows what was paid. Learn more about invoice vs receipt.
What are standard invoice payment terms?
Common payment terms include Net 15 (payment due in 15 days), Net 30 (payment due in 30 days), and 2/10 Net 30 (2% discount if paid within 10 days, otherwise full amount due in 30 days). Payment terms specify when payment is expected. Learn more about payment terms like Net 15 and Net 30.
How do you send an invoice via email?
After creating your invoice, download it as a PDF and attach it to an email. Include a professional message with payment instructions and due date. Many businesses also use invoicing software that can send invoices directly via email. Learn more about sending invoices via email.
Free Invoice Generator & Templates
Create professional invoices instantly with our free invoice generator. Whether you need a simple invoice template, a blank invoice template, or a billing invoice for your business, we've got you covered. Our invoice form builder supports multiple formats including Word, Excel, PDF, and Google Docs.
Use our free invoice template to create invoices that include all essential elements: invoice statement details, payment terms (Net 15, Net 30, 2/10 Net 30), and professional formatting. Send invoices via email directly to your clients for faster payment processing.
Need a quote instead? Check out our price quote templates or learn about the difference between invoice vs receipt.