FaxZero offers a unique ad-supported free faxing service for up to 3 pages and 5 free faxes a day within the USA. Otherwise, users can pay $2.09 for 25 pages or allow branding on the cover page for a free service. As of now, the service has a Trustpilot score of 4 based on 3 reviews (last updated 04 Jun 2023). https://faxzero.com