Best Online Fax Services

Compare the Top Online Fax Services as of November 2025

What are 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 Online Fax services currently available using the table below. This list is updated regularly.

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    Notifyre

    Notifyre

    Notifyre

    Send and receive fax via email, our secure web app or via API integration. Fax from computer, tablet or mobile with Notifyre. Streamline business communication with effortless online faxing. With enterprise security Notifyre is HIPAA compliant, ISO certified offers secure data encryption as standard. Complimentary fax number porting, optional high quality, fax broadcasting and more. Account management features include unlimited users, control user permissions, upload fax numbers and manage contacts in address book.
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    Starting Price: 2¢/SMS part; 3¢/fax page (USD)
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  • 2
    VirtualPBX

    VirtualPBX

    VirtualPBX

    VirtualPBX stands as an acclaimed Business Phone System Provider, renowned for its award-winning services. Offering industry-leading features, boasting 99.999% reliability, and competitive pricing, VirtualPBX equips businesses with top-tier communication tools for seamless unified communications. Catering to a diverse range of enterprises, from entrepreneurs to contact centers seeking a complete contact center solution. VirtualPBX serves as the ultimate destination for modern business VoIP needs. With plans starting at just $18 per month, VirtualPBX ensures accessibility and excellence in communication solutions. Get a free demo today!
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    Starting Price: $18/month
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    Infinite Connect

    Infinite Connect

    Infinite Connect

    One unified platform to run your entire business remotely. Improve productivity and simplify your communications with reliable voice, video, fax, conferencing and messaging in the cloud. Flexible unified cloud communications and contact center services designed, for small and medium sized businesses. Customize your settings and capabilities to have your conference calls work the way you want. Up to 100 callers included. In place of your traditional small business phone system, our VoIP phone system or hosted PBX uses your broadband connection to make communicating easier. From small meetings to large webinars, broadcast HD video, enable integrated teleconferencing and share your desktop with ease. No downloads required. Send and receive SMS & MMS text messages online and manage internet faxing from your dashboard. Infinite provides the most up to date VoIP Phones that arrive fully configured with plug and play functionality. All you have to do is turn on your phone and start talking.
    Starting Price: $22.50 per month
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    ClickSend

    ClickSend

    ClickSend

    ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.
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    Starting Price: $20 minimum topup
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    Retarus

    Retarus

    Retarus

    As a leader in information logistics, we drive communication for companies worldwide. With intelligent infrastructures, patented technology and excellent service. Because the faster and more securely your information flows, the better your business runs. Are you ready for Retarus? Successful business depends on agile and secure communication processes for their digitized and automated workflows. From newsletters and order confirmations to password resets and status notifications – fast delivery of transactional emails plays an essential role in the customer journey. Retarus helps you reach 99% of all mobile networks. That means almost everyone in the world. Quickly and reliably. Read our use cases to learn how you can make your customer dialogue more profitable with enterprise SMS services. Send your personalized content reliably, even to large distribution lists. By email, fax or SMS—it’s easy with a standardized and intuitive platform. Communicate directly from your web browser.
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