Appocto has introduced Censorate for Mac OS X. It allows you to pixelate, blur or hide sensitive or unwanted areas in images.
Censor ate is designed for users who who frequently post on social media like Twitter, Facebook and Instagram.
Censorate is compatible with OS X Yosemite and El Capitan. It sells for $4.99 and is available from Appocto online (http://appocto.com).