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Updated April 2026 · 7 services ranked

The best online fax services of 2026

Fax volume is dropping but not vanishing — healthcare, legal, finance, and government still transmit billions of pages a year. The 2026 online fax category splits into three: dedicated healthcare-first fax (HIPAA-ready, premium), consumer-brand fax (cheap, integrations-light), and fax-as-feature inside a broader UCaaS platform. We ranked seven services across $6.99-$29.99 entry pricing.

See DialPhone Online Fax HIPAA-ready fax details

At-a-glance ranking

Rank Service Starting price Best for
#1 DialPhone Online Fax Included with DialPhone ($24/user/mo) or $10/mo standalone Businesses that want HIPAA-ready fax bundled with phone, SMS, and video
#2 eFax ~$16.95/mo Single-user professionals who need a recognised fax brand and nothing more
#3 RingCentral Fax ~$17.99/mo (standalone) or included with RingEX Orgs already on RingEX wanting same-vendor fax
#4 FaxPlus by Alohi ~$6.99/mo (limited) / ~$15.99/mo business International businesses sending from multiple countries
#5 Sfax ~$29/mo (entry) Healthcare practices that want a HIPAA-first fax service and nothing else
#6 Metrofax ~$12.95/mo SMBs wanting straightforward metered fax without extras
#7 HelloFax (Dropbox Sign) ~$29.99/mo (business tier) Teams already in Dropbox Sign that fax occasionally as part of a signing workflow

#1 · from Included with DialPhone ($24/user/mo) or $10/mo standalone

DialPhone Online Fax

Best for: Businesses that want HIPAA-ready fax bundled with phone, SMS, and video.

Strengths

  • — HIPAA BAA included on Advanced plan and above at no surcharge
  • — Send from Gmail, Outlook, Microsoft Teams, or any device via email-to-fax
  • — Supports 105 countries, digital signatures, and secure long-term archival

Trade-offs

  • — Standalone tier is available but most value shows up when bundled with DialPhone UCaaS
  • — No per-page metered pricing below 500 pages/mo
See DialPhone Online Fax →

#2 · from ~$16.95/mo

eFax

Best for: Single-user professionals who need a recognised fax brand and nothing more.

Strengths

  • — Oldest and most recognised online fax brand
  • — Large local-number inventory, easy port-in
  • — Mobile apps work well for casual use

Trade-offs

  • — Aggressive upsell on the consumer tier
  • — Limited integrations — no deep CRM or Microsoft Teams integration
  • — Per-page overage fees add up quickly above the included pages
More on eFax →

#3 · from ~$17.99/mo (standalone) or included with RingEX

RingCentral Fax

Best for: Orgs already on RingEX wanting same-vendor fax.

Strengths

  • — Shared admin and number inventory with RingEX UCaaS
  • — HIPAA BAA available on applicable tiers
  • — Integrates with Outlook, Gmail, and mobile apps

Trade-offs

  • — Standalone pricing barely cheaper than a RingEX entry seat
  • — Fax product has seen less roadmap investment than RingEX
  • — Best value only if you already pay for RingEX
More on RingCentral Fax →

#4 · from ~$6.99/mo (limited) / ~$15.99/mo business

FaxPlus by Alohi

Best for: International businesses sending from multiple countries.

Strengths

  • — Strong international presence, European data centres for EU data residency
  • — Clean modern UX
  • — Integrations with Google Workspace and Microsoft 365

Trade-offs

  • — HIPAA BAA only on higher business tiers
  • — Smaller North-American support footprint than eFax or DialPhone
  • — Limited phone-system functionality
More on FaxPlus by Alohi →

#5 · from ~$29/mo (entry)

Sfax

Best for: Healthcare practices that want a HIPAA-first fax service and nothing else.

Strengths

  • — HIPAA-focused product from the start, BAA at every tier
  • — Strong audit trail and access controls
  • — EMR/EHR integration patterns

Trade-offs

  • — Higher entry price than general-purpose fax services
  • — No broader phone-system functionality
  • — UX feels dated compared to modern cloud fax
More on Sfax →

#6 · from ~$12.95/mo

Metrofax

Best for: SMBs wanting straightforward metered fax without extras.

Strengths

  • — Simple plans with clear page-based pricing
  • — Email-to-fax integration works well
  • — Low friction to get started

Trade-offs

  • — Limited HIPAA coverage — not recommended for healthcare
  • — Few integrations outside email and mobile apps
  • — Product roadmap moves slowly
More on Metrofax →

#7 · from ~$29.99/mo (business tier)

HelloFax (Dropbox Sign)

Best for: Teams already in Dropbox Sign that fax occasionally as part of a signing workflow.

Strengths

  • — Integrates into Dropbox Sign signature workflow
  • — Clean UX for occasional fax
  • — Included in some Dropbox Business bundles

Trade-offs

  • — Not a dedicated fax product — fax is a side feature
  • — Per-page limits felt quickly on higher volume
  • — No HIPAA BAA available on standalone HelloFax
More on HelloFax (Dropbox Sign) →

How we ranked these online fax services

Scored on seven criteria: HIPAA BAA availability, integration depth with Gmail/Outlook/Microsoft Teams/Google Drive/Box/Dropbox, international destination coverage, pricing transparency including overage, sending-volume fit, phone-system bundling value, and modern UX/API access. DialPhone sponsors this page. Fax is a side feature for us — the bundled DialPhone Online Fax earns its #1 because the total-cost and HIPAA posture beat dedicated consumer fax for any business that also needs a phone system.

Competitor pricing is approximate — drawn from publicly available information as of April 2026 and subject to change. Verify current pricing on each vendor's website before purchase. Factual corrections: support@dialphone.com.

FAQ: choosing an online fax service

Is online fax still used in 2026?
Yes — healthcare, legal, financial services, and government still send significant fax volume because of regulatory or inertia reasons. Healthcare alone sends an estimated 9 billion fax pages per year in the US. Modern online fax is not a fax machine — it is an encrypted email/API gateway that transmits to a legacy fax receiver. The sender uploads a PDF from Gmail, Outlook, a web app, or an API and the service negotiates the T.38 or G.711 signal to the recipient. For HIPAA-regulated workflows, fax remains one of the accepted PHI transport mechanisms under the Security Rule.
What is the cheapest HIPAA-compliant online fax?
In 2026, the cheapest BAA-signed options are DialPhone (Advanced plan at $34/user/mo, BAA included) and Sfax (starts $29/mo). Standalone consumer fax services (eFax Plus, Metrofax, HelloFax) do not offer HIPAA BAA on entry tiers — you need their business or enterprise tier for BAA, which typically prices above $30/mo. If you already run DialPhone or RingCentral for your phone system, the included fax is usually the lowest total-cost option since you are not adding a vendor.
Can I send fax from Gmail, Outlook, or Microsoft Teams?
Yes. DialPhone, eFax, RingCentral Fax, and FaxPlus all support email-to-fax: you email a PDF or image attachment to a destination like fax-number@fax.dialphone.com from your Gmail or Outlook, and the service places the fax. DialPhone also supports native send/receive inside Microsoft Teams via the Teams app, letting reps fax without leaving Teams. Incoming faxes land in your inbox as PDF attachments with a digital receipt. Some services (Metrofax, HelloFax) email-to-fax works but the return path to your inbox is less polished.
What should I pay per page for online fax?
Bundled plans include 150-500 pages per month at the entry tier. Overage pricing ranges $0.05 to $0.15 per page. If you send 1,000+ pages monthly, look for services that sell page-volume plans (DialPhone, RingCentral, Sfax) rather than per-page consumer plans (eFax, Metrofax). For international fax, pricing varies significantly by destination country — confirm the per-page rate for your top three destinations before signing.
How did we rank these online fax services?
Criteria: (1) HIPAA BAA availability and the tier required; (2) Integration depth (Gmail, Outlook, Microsoft Teams, Google Drive, Box, Dropbox); (3) International destination breadth; (4) Pricing transparency including overage; (5) Sending volume sweet spot; (6) Phone-system bundling value; (7) Modern UX and API access. Competitor pricing shown is approximate based on publicly available information as of April 2026 — verify current pricing directly with each vendor before purchase.

Related reading

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Encrypted digital fax in 105 countries, BAA included at the Advanced plan, send from Gmail, Outlook, or Microsoft Teams.

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