Best free online fax services compared
Four popular online fax services, side by side. Find the one that fits your needs and budget.
| Feature | OnlyFaxes | eFax | FaxZero | Fax.Plus |
|---|---|---|---|---|
| Free fax sending | 10 pages total | |||
| Account required | ||||
| Monthly cost (paid) | From $4.99/mo | From $15.79/mo | $3.29/fax | From $6.99/mo |
| Setup fee | $0 | $10 | $0 | $0 |
| Pages per fax (free) | 10 | 3 | 10 lifetime | |
| Pages per fax (paid) | 100 | Varies | 25 | Varies |
| Monthly page quota | 200 to 2,500 | 150 to 500+ | 100 to 1,000+ | |
| Ads or forced branding | ||||
| Inbound faxes | ||||
| International sending | 75+ countries | 200+ countries | Limited | 100+ countries |
| Cover page templates | 10 built-in | Downloadable | 1 (branded) | Gallery (paid) |
| Mobile apps | ||||
| Cancel anytime | Difficult | |||
| Encryption | AES-256 + TLS | TLS | HTTPS | AES-256 + TLS |
Quick take on each service
OnlyFaxes
The only service where sending a fax is genuinely free, with no signup, no ads, and no branding. Dedicated fax numbers start at $4.99/month for 200 pages. Best for people who fax occasionally for free or want an affordable dedicated number.
Send a free fax now →eFax
The longest-running online fax service with international numbers in dozens of countries and enterprise features. No free tier. Plans start at $15.79/month plus a $10 setup fee. Best for enterprises that need HIPAA-eligible plans, API access, and a wide country selection.
Full OnlyFaxes vs eFax comparison →FaxZero
A free fax service that has been around since 2006. The free tier caps at 3 pages and 5 faxes per day, and stamps a FaxZero-branded cover page on every fax. Removing the branding costs $3.29 per fax. No receiving, no mobile app. Best if you only need a one-page fax once in a while.
Full OnlyFaxes vs FaxZero comparison →Fax.Plus
A polished service with a 10-page lifetime free trial (not recurring). Paid plans start at $6.99/month. Offers API access, team management, and strong encryption. Best for teams that need an enterprise fax platform with a modern interface.
Full OnlyFaxes vs Fax.Plus comparison →Frequently asked questions
Which free fax service has the fewest limitations?
- OnlyFaxes lets you send up to 10 pages per fax with no signup, no ads, and no branding. FaxZero caps free faxes at 3 pages and 5 per day, and stamps a branded cover page on every fax. Fax.Plus gives 10 pages total as a one-time trial. eFax has no free tier.
Do I need to create an account to fax for free?
- OnlyFaxes and FaxZero let you fax without an account. Fax.Plus and eFax require signup before you can send anything.
Which service is cheapest for regular faxing?
- OnlyFaxes dedicated numbers start at $4.99/month for 200 pages. eFax starts at $15.79/month with a $10 setup fee. Fax.Plus starts at $6.99/month. FaxZero charges $3.29 per fax with no subscription.
Can I receive faxes with a free account?
- OnlyFaxes offers free QR-code-based fax receiving. The other free tiers either do not support receiving or require a paid plan for a dedicated number.