QuickLook is a simple but powerful feature of macOS that helps to preview the content of a file or folder in Finder without using any particular apps. This feature is very handy when we only want to have brief glance on a certain file or quickly examine its parts instead of opening a full-fledged app for that particular file. Even nicer, Apple provides API for QuickLook programming and enables the use of plugins that convert a certain document from its native format into QuickLook previewing ...
