Download and install the lightweight driver for Windows or macOS. "Send as Fax (Fax.Plus)" appears immediately in your system's printer list.
A one-time OAuth sign-in links the driver to your Fax.Plus account. Sessions last up to 2 years, no repeated logins, no friction.
Open any document in any app. Select File → Print → Send as Fax (Fax.Plus). Your document is automatically converted to PDF.
The Fax.Plus sending page opens pre-loaded with your document. Enter the recipient's fax number and hit send.
