What features should I look for in a free invoice generator?

When evaluating a free invoice generator, prioritize these essential features: customizable templates that match your industry (restaurant, retail, freelance, or general business), automatic tax calculations supporting GST, VAT, and regional tax formats, multi-currency support for international clients, and multiple export formats including PDF and print. Look for tools that require no sign-up or account creation, as this eliminates friction and protects your privacy. Additional valuable features include thermal printer compatibility (57mm and 80mm formats) for point-of-sale businesses, the ability to add your company logo and brand colors, line-item discount support, and mobile-responsive design for invoicing on the go. Avoid free invoice makers that add watermarks, limit the number of invoices, or require credit card information for a so-called free trial. OnlineInvoiceMaker.com offers all these features without any restrictions or hidden limitations.