PayPal is a popular payment processing website that also allows you to send invoices by email. Invoices can either be paid via a PayPal balance or bank account.
Zoho provides free invoice templates to download. Zoho has some paid services, but you can use the invoice feature when you sign up for a free account.
Invoice Simple is another option for user-friendly free invoice generators. With the basic plan for $6.99 per month, you can create up to three invoices per month.
Invoice 2 Go is a popular free invoice maker. You can send the invoice online directly from your account or download a PDF invoice to send to your client via email.
Another option to create a free invoice is to use Excel or Google Sheets. This option is best if you have clients that only require a PDF download invoice.
Stripe has two options for professional invoice generators for freelancers and small business owners. However, you will need to pay a small fee per invoice.