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Invoice Templates

Create professional invoices in minutes with our free invoice generator. Choose from service, product, freelance, consultant, recurring, and proforma invoice templates. Auto-calculate totals, taxes, and discounts, then download as PDF.

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How It Works

1

Choose Your Invoice Type

Select the invoice template that fits your needs

2

Fill in Your Details

Add your business info, client details, and line items

3

Download Your Invoice

Download your professional invoice as PDF for free

Written by

Finance Team

Reviewed by

Accounting Review Board

Last Updated January 2026

What Is an Invoice?

An invoice is a commercial document issued by a seller to a buyer that itemizes the products or services provided, along with the amounts owed. It serves as a formal request for payment and creates a record of the transaction for accounting, tax, and legal purposes.

Whether you're a freelancer billing a client, a business selling products, or a consultant tracking project fees, professional invoices help ensure timely payments and maintain accurate financial records. A well-crafted invoice includes clear payment terms, detailed line items, and all necessary business information.

A complete invoice typically includes the seller's business details, buyer information, unique invoice number, date, itemized list of goods or services with prices, applicable taxes, total amount due, and payment terms including due date and accepted payment methods.

Invoice Templates by Category

Browse our collection of invoice templates organized by category. Each template includes auto-calculation of totals and can be customized for your specific needs.

Professional Services

Invoice templates for consultants, freelancers, and contractors:

Trade Services

Invoice templates for construction, plumbing, HVAC, and cleaning businesses:

Business & Commerce

Invoice templates for commercial sales, catering, and rentals:

Alternatives

Looking for alternatives to popular invoicing tools?

How to Create an Invoice

Creating a professional invoice ensures you get paid on time and maintain good client relationships. Follow these essential steps to create effective invoices:

  1. Include Your Business Information: Start with your business name, address, phone number, email, and any relevant registration or tax ID numbers.
  2. Add Client Details: Include the client's name, company name (if applicable), address, and contact information. This ensures the invoice reaches the right person.
  3. Assign a Unique Invoice Number: Use a sequential numbering system (e.g., INV-001, INV-002) to track invoices and make record-keeping easier for both you and your client.
  4. Specify Dates: Include the invoice date and a clear due date. Common payment terms include Net 15, Net 30, or Due Upon Receipt.
  5. Itemize Products or Services: List each item or service with a description, quantity, unit price, and line total. Be specific enough that the client understands what they're paying for.
  6. Calculate Totals: Show the subtotal, any applicable taxes, discounts, and the final total due. Double-check your math to avoid errors.
  7. Include Payment Information: Provide clear payment instructions including accepted methods (bank transfer, check, credit card, PayPal) and necessary details like account numbers.
  8. Add Notes or Terms: Include any relevant terms like late payment fees, early payment discounts, or a thank you message to maintain good client relationships.

Sample Invoice

Review the sample invoice below to understand the standard format and sections included in a professional invoice. Our templates follow this proven layout to ensure clarity and professionalism.

Sample Consulting Invoice

Invoicing Best Practices

Follow these best practices to ensure timely payments and maintain professional relationships with your clients:

  • Send invoices promptly — Invoice as soon as work is completed or products are delivered to keep cash flow steady.
  • Be clear and detailed — Vague descriptions lead to questions and delayed payments. Be specific about what you're billing for.
  • Set clear payment terms — Establish and communicate your payment terms upfront, including due dates and late fees.
  • Follow up professionally — Send friendly reminders before the due date and follow up promptly on overdue invoices.
  • Keep accurate records — Maintain copies of all invoices for accounting, tax, and legal purposes.
  • Offer multiple payment options — Making it easy to pay increases the likelihood of on-time payment.

Frequently Asked Questions