Everyday Privacy

Harbor Fax vs eFax, Fax.Plus and FaxZero

Online fax services work in different ways. Some are monthly plans with a fax number, one is free with limits, and Harbor Fax is pay per fax with no account. Here is how they differ, and who each suits.

At a Glance

Harbor Fax: pay per fax, no account, send-only, document deleted once delivery is confirmed. $1.79 for up to 3 pages, or $2.99 for up to 25. US and Canada.
eFax: its site describes monthly plans with a page allowance and a local or toll-free fax number, with sending and receiving, fax-to-email and email-to-fax.
Fax.Plus: its site says to create an account to send, lists Individual, Enterprise and Custom plans, and offers fax numbers in many countries.
FaxZero: its site describes a free option to the US and Canada with a limit of 3 pages plus a cover page and 5 free faxes a day, with FaxZero branding on the cover page.

Harbor Fax

Harbor Fax is built for a one-off or occasional fax. You upload a PDF, Word, JPG or PNG file in your browser, enter a US or Canadian fax number, and pay by card. There is no account and no subscription. The document is deleted when delivery is confirmed. An unbranded cover page is $0.99. It is send-only, so it cannot receive faxes, and it does not sign Business Associate Agreements. Need a cover sheet first? Use the free fax cover sheet generator.

eFax

eFax suits people who need a fax number of their own. According to its site, plans include a local or toll-free number and let you send and receive from any device, with fax-to-email and email-to-fax. Its site presents monthly plans rather than a pay-per-fax option, and the main sign-up path goes through a portal account.

Fax.Plus

Fax.Plus describes itself as a service where you create an account to send faxes, with plans for individuals and enterprises. Its site says you can send to over 180 countries and get numbers from many countries, which matters if you fax internationally. It does not list a general free plan on its homepage.

FaxZero

FaxZero describes a free fax service to the US and Canada, with no credit card required. Its stated limits are 3 pages plus a cover page and 5 free faxes a day, and free faxes carry FaxZero branding on the cover page. If your fax is short and you do not mind the branding, that may be enough.

Which One Fits

You need to receive faxes or want your own fax numberPick a plan service such as eFax or Fax.Plus. Harbor Fax is send-only.

You fax internationallyCheck a service that lists the countries you need. Harbor Fax sends to the US and Canada.

You have a short, non-sensitive faxA free option such as FaxZero may do the job.

You fax rarely and want no account or stored copyHarbor Fax: pay once per fax, and the document is deleted on delivery.

How This Was Checked

This comparison uses statements from each service's public website, read on 2026-11-09. Plans, limits and features change, so check the service's own site before you choose. Harbor Privacy is not affiliated with eFax, Fax.Plus or FaxZero. To report a correction, email [email protected].

Send a Fax

Open Harbor Fax to send from your browser. See also online fax vs fax machine and email to fax.

Common Questions

Which online fax service needs no account?

Harbor Fax needs no account. You pay per fax by card. Other services described here use accounts or plans, and FaxZero describes a free option.

Is there a free online fax?

FaxZero describes a free option with limits on pages and faxes per day and branding on the cover page. Check its site for current limits.

Can Harbor Fax receive faxes?

No. Harbor Fax is send-only. Use a plan service with a fax number if you need to receive.

Can I fax outside the US and Canada with Harbor Fax?

No. Harbor Fax sends to US and Canadian numbers.

Does Harbor Fax keep my document?

No. The document is deleted once delivery is confirmed.

SEND A FAX WITH NO ACCOUNT

Pay per fax from $2.99, deleted on delivery. Open Harbor Fax.