Byword 2.9.5 macOS

Features
Full-screen interface
Focus mode to highlight only the few lines nearby the cursor-you will love this
5 beautiful typography presets optimized for legibility and readability
Plain text (TXT) and rich text (RTF) editing
Special selection functions to facilitate text manipulation
Convenient keyboard shortcuts to quickly make changes
In-place formatting options presented in a contextual popover
User-interface accessory views fade away when typing
Integrated find and replace
Printing and exporting to PDF
Compatibility: OS X 10.10 or later
Mac App Store:

https://geo.itunes.apple.com/app/id420212497