Best Online Fax Tools in 2026

Cloud fax with clear page-based plans for small teams

Fax.Plus is a cloud fax service with a web app, mobile apps and email-to-fax. Plans are tiered by monthly page allowance, and the ladder is easy to read: Basic, Premium, Business and Enterprise. Fax.Plus is the one I'd start with for most small businesses. The plan ladder is easy to read: pick the page allowance that matches your month and you are done. It covers email-to-fax, a mobile app, unlimited fax storage and fax logs you can export to CSV, and teams can share a plan once they move up to Business.

Internet fax with HIPAA and PHIPA healthcare plans

SRFax is an internet fax service with HIPAA-compliant plans for healthcare and standard plans for business, plus an API for developers. It says its encryption covers both U.S. HIPAA and Canadian PHIPA requirements. SRFax is the service to look at if you run a healthcare office, especially in Canada. It sells dedicated healthcare plans, says its encryption covers U.S. HIPAA and Canadian PHIPA guidelines, and offers email-to-fax, a web portal and an API.

Cloud fax with apps on iOS, Android, Windows and Mac

iFax is a cloud fax service with iOS, Android, Windows and Mac apps, email-to-fax, broadcast fax and a fax API, and it markets HIPAA-compliant faxing to healthcare users. iFax puts the app first. It ships iOS, Android, Windows and Mac apps, plus email-to-fax, one-time faxes, fax broadcast, contacts and a programmable fax API. It markets HIPAA-compliant faxing, and there is a free way to start, so you can send a test fax before you pay.

Well-known online fax service with Plus and Pro plans

eFax is a well-known online fax service. It sells Plus and Pro plans with free trials, and prices differ by country. eFax is the name most people recognise, and for a recipient on the other end of a fax, a familiar sender helps. It offers Plus and Pro plans, each with a free trial.

Online fax with a free disposable number for one-off sends

FaxBurner is a simple online fax service with a free plan built around a disposable fax number, plus paid plans with a permanent toll-free number. FaxBurner is for the person who needs to fax once in a while and does not want a subscription. Sign up with an email, get a free fax number that lasts 24 hours, and send. The paid plans keep a permanent toll-free number and raise the limits.

Online fax built into the RingEX phone platform

RingCentral Fax is online faxing built into RingEX, RingCentral's cloud communications platform that combines messaging, video and phone. RingCentral Fax is not a standalone fax tool. RingCentral builds online faxing into RingEX, its AI-powered cloud platform that unifies messaging, video and phone, so the case for it is having fax next to the rest of your communications. If you already run RingCentral, that is the simplest path.

HIPAA-compliant cloud fax with a signed BAA on every plan

Fax Pigeon is a HIPAA-compliant cloud fax service. Every plan includes a signed business associate agreement, your own fax number and unlimited users, and plans are tiered by monthly page volume. Fax Pigeon is built around one idea: every plan, including the free first fax, runs under a signed BAA. You get your own fax number, unlimited people on the account, AI summaries of incoming faxes, e-signatures with delivery proof, and the ability to fax from your email. At $4.99 a month billed annually ($5.99 month to month) it undercuts both SRFax's healthcare Lite ($10.70 on annual billing) and the Fax.Plus tier that includes a BAA ($79.99), which is the whole question for a clinic, a pharmacy or a small billing office.