Online Fax. Evolved.

Don't compromise when it comes to secure document delivery. Reliably send and receive faxes from anywhere.


When Faxing Meets Usability.

We built mFax because fax has traditionally... well, sucked. You shouldn't have to cringe when you hear the word fax. Securely and reliably transmit documents from anywhere.

online fax services

In the healthcare industry?

Read our Whitepaper: Four Misconceptions Regarding HIPAA Compliance and the Cloud

The mFax difference


The mFax platform is built with industry-leading security standards. Documents are encrypted at rest and during transport. User authentication, audit trails, and intrusion detection are all built-in features. Learn more about how we protect your data.


We boast an advanced network infrastructure built exclusively for cloud fax. We couple direct tier-1 carrier relationships with our proprietary routing technology to ensure industry-leading fax success rates.

Feature Packed

Total flexibility to customize your fax deployment. Want the simplicity of sending and receiving from email? No problem. Looking to integrate? Our Fax API is built for just that.

Several ways to fax

A Carrier-Grade Fax Solution.
Just For You

We built mFax with Enterprise-scale deployments in mind, yet priced our plans so companies of all sizes can have access to a reliable VoIP fax solution. 10 pages or a million. 1 user or 10,000. We’ve got you covered. mFax is the online fax service you've been looking for.

Carrier or Value Added Reseller?

Partner with Documo to add reliable online faxing to your product portfolio.