This PDF to Fax Simulator allows you to simulate a fax image before faxing the PDF or Google Documents.
Fax is the telephonic transmission of scanned printed material (both text and images), to a telephone number connected to a printer or other output device. 
Normally, when you fax a document file, the document quality is degraded. 
This app simulates the actual document quality before faxing the PDF or Google Documents.

Try simulating through this app before sending faxes.
You can just open a PDF, Google Documents to simulate from your computer or your Google Drive. 
Provides connect with Google Drive.