Apply a duotone effect to photos in the WordPress media library.
Contributors: Brady Vercher, Brody Vercher, Luke McDonald
Requires: WordPress 4.3+
License: GPL-2.0+
Inspired by the duotone effect employed in the Twotone theme, Twotone FX makes it easy to preview and apply a similar filter to any photo in your Media Library.
Image editor with a section for adding a duotone effect to a photo.
Twotone FX is available in the WordPress plugin directory, so it can be installed from your admin panel.