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Window Duplicator is a helpful app which assists you during presentations. You no longer need to expose your screen or contort your body. Just select the desired window in Window Duplicator. A preview is instantly visible only for you. This helps you to ensure that this is the right window. For example if you have multiple instances of the same application open. After you have verified that this is the desired window, just hit play. The selected window is now duplicated onto the second display. Furthermore, the window on the projected screen is adjusted to the screens size. By resizing the original window, on you screen,

What's New

Version 1.1:
  • [FIX] play button is available even without any selection.
  • [ADD] app can be minified into the menubar.
  • [ADD] launch at login.
  • [CHN] allow better app nap while Window Duplicator is paused or stopped.


  • OS X 10.8 or later

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Current Version (1.x)


Downloads 73
Version Downloads 50
License Commercial
Date 15 Oct 2016
Platform Intel 64 / OS X
Price $4.99