Compare the Top Free Online Fax Services as of March 2026

What are Free Online Fax Services?

Online fax services allow individuals and businesses to send and receive faxes securely over the internet without the need for a traditional fax machine. Users can upload documents from their computer, email, or cloud storage and send them to fax numbers worldwide in digital format. These platforms provide features like electronic signatures, delivery confirmations, and document archiving to simplify communication and recordkeeping. By eliminating hardware, paper, and phone lines, online faxing reduces costs and improves accessibility. Ultimately, online fax services modernize document transmission while maintaining security and compliance for sensitive communications. Compare and read user reviews of the best Free Online Fax services currently available using the table below. This list is updated regularly.

  • 1
    CocoFax

    CocoFax

    CocoFax

    CocoFax is a cloud-based fax platform allowing you to send and receive faxes online from any device securely and reliably. Seamlessly integrated into daily business, you can directly manage faxes online without messing up with any physical documents.
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    Starting Price: $9.99 per month
  • 2
    Fax.Plus
    Fax.Plus is an extremely secure HIPAA and SOC 2 Type 2 compliant online faxing solution for businesses of all sizes, from large enterprises to SMEs and even individuals. Fax.Plus Features: • Extremely easy to use with availability on multiple platforms, including web, mobile, email, and more. • Set up team with the option to assign one/multiple fax numbers to one/multiple members. • Programmable fax API to integrate online fax functionalities into your own software. • Compliant with the world’s strictest data regulations such as ISO 27001, SOC2 Type 2, … • HIPAA compliant faxing solution for healthcare providers to transmit individuals’ protected health information (PHI). • Data encryption in transit and at rest. • Date residency to meet all your data compliance requirements. • Extensive integrations: Slack, Zapier, Google Workspace, Microsoft, ... • Single Sign-On (SSO).
    Starting Price: $6.99 per month
  • 3
    Doximity

    Doximity

    Doximity

    Your solution to calling patients on‑the‑go with Doximity Dialer Video. A way for you to call patients using your cell phone, while displaying your office number. Integration with Epic’s Haiku app allows you to call patients directly from their chart. No longer do you have to sacrifice personal information for convenience. Search, find, and reach any other healthcare provider, instantly. Search and find any U.S. physician, nurse practitioner or PA in seconds. Never Google another provider again. Fax without a fax machine with DocFax. Get a free mobile electronic fax number and send HIPAA-secure fax seamlessly from wherever you are. Stay sharp with personalized news and earn CME. Stay on top of the latest news and research in your specialty, without the hassle of sorting through your journals. Earn Category 1 CME/CEU for free just by reading articles. Make video calls as much as you want, for as long as you need.
  • 4
    HelloFax

    HelloFax

    HelloFax

    Faxes don't have to be a headache. Our faxes arrive directly in your inbox as a PDF, where you can view, download and share them. You never have to worry about missing a fax or not knowing when it arrives. It comes straight to you. You can access your faxes from *anywhere and unlimited storage is included. Sending faxes is just as easy. You can send faxes to multiple numbers at once, and even sign and edit them electronically! As soon as your fax arrives, you'll receive a confirmation email. *In addition to HelloFax, you also have the option of syncing your account with Google Drive, Dropbox, Box, OneDrive and/or Evernote where you can send, receive and manage your faxes.
    Starting Price: $9.99 per month
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