mFax web portal

The most modern, intuitive, and user-friendly online fax platform you’ll ever use. It’s no wonder we’ve got dozens of 5-star reviews from happy users on G2 & Capterra.

Fax from anywhere and any device

The mFax app is built with a mobile-friendly interface that makes it easy to fax and manage your account from anywhere in the world using all of your favorite devices.

The most advanced and reliable network infrastructure

some fax providers mix voice and fax traffic, mFax is built on an industry-leading fax-only, Tier-1 carrier network optimized for reliability. Built by fax experts, we’ve developed a fax network so good, you might just forget your faxing altogether.

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    Powerful features

    Scheduled sending

    You can create and send your fax right away or schedule it to send at a specific date and time

    Contact management

    Upload your contact list in a CSV file or create new contacts with ease, quickly share contact lists with your organization

    Easy attachments

    Simply drag-and-drop from your computer, copy & paste a file URL, or choose your file from popular cloud storage platforms

    File convertor

    Upload a variety of file types and convert and export as a single PDF or TIFF file

    Fax Blast

    Fax Blast allows you to bulk send to as many recipients as you need


    Enable your existing MFPs and fax machines to mFax’s ultra-reliable

    Tags & fax management

    Create an unlimited number of tags to help organize your faxes

    Cover sheets

    Easy-to-use templates available or create your own and share with your team

    International faxing

    Fax to dozens of destinations across the world

    Email notifications and customizable fields

    Automatically notify recipients of incoming faxes. Add any fields you commonly use to your faxes and easily set as the default for your organization

    Free secure storage

    Automatically get 1GB of secure, HIPAA-compliant file storage included with any paid Documo subscription

    Platform security

    Built on Google Cloud, mFax leverages the world’s most advanced security infrastructure to protect the security of your files and accounts.

    Advanced administrative features

    Built for large scale deployments, mFax’s powerful admin interface gives you complete control.

    • Simple user management
    • Quickly provision numbers
    • Easy account-level & user-level permission settings
    • View, search, and filter fax history
    • Create detailed usage reports

    Fax the files that matter most

    Supported file formats for faxing include:

    Adobe Acrobat Documents (PDF)

    Microsoft Office Files (DOC, DOCX, XLS, XLXS, PPT, PPTX)

    Open Office Files (ODP, ODS, ODT)

    Google Files (GDOC, GSHEET, GSLIDES)

    Text Files (TXT, RTF)

    Printer Files (PCL, EPS, PS)

    Image Files (TIFF, GIF, PNG, JPEG)

    Other Files (FXC, FODT, HTML)