This app runs as a little wireless printer server on the network, so you can add it to our mac in system preferences and print any document directly to pdf.

How to Add a printer to your printer list so you can use it on Mac?
http://www.flyingbee.com/support/archives/294.html

The process is 100% safe as the conversion is done locally on the Mac.
Your files never leave it and it doesn't require an internet connection.

Additionally, the app lets you organize PDF documents in different folders and automatically categorize documents to separate emails, web pages, and other printouts.

With a This Printer app, you can print PDFs from:
> Email attachments
> iWork and MS Office documents
> Web page
> Photo
> Documents on Dropbox, Google Driver and other online storage.

Upgrade to Professional Edition?
With this free version, you can instantly create a 2-page BW PDF document for free, The full version will unlock many features.

We are constantly developing this app, if you have any questions, suggestions or questions, please feel free to contact us. We will reply as soon as possible.