Downscale retina screenshot service

Installation

Double click downscale-retina-screenshot-service.workflow
Install it as prompt
Open with Automator as prompt
Change SS_PATH if you want change the path where screenshots to save
Click the Run button to test

Usage

Assign a keyboard shortcut in System Preferences. If you assign Cmd+Shift+4 to instead the Native one, then everything looks just like native.

For more detail please check my article: Downscale Screenshot at high resolution on retina macbook pro or retina 5K iMac

License