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Duplicate Windows visually copies any window in OS X live and on-the-fly. It’s like display mirroring for individual windows!

  • Duplicate any window. Select any window on your Mac, and get an instant resizable copy that stays up to date with the original.
  • Monitor anything. Don't disrupt your workflow. Watch videos. Watch a sports game. Monitor your servers. Keep an eye on any window you like. Just duplicate it, tell it to stay on top, resize it to just how you want it and get on with your work.
  • Presenter Mode for any software. You can

What's New

Version 1.2:

Note: Now requires OS X 10.10 or later

  • Updated for macOS 10.12 Sierra, with an updated design and performance improvements


  • OS X 10.10 or later

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Duplicate Windows User Discussion


Current Version (1.x)


Downloads 345
Version Downloads 64
License Commercial
Date 12 Oct 2016
Platform Intel 64 / OS X
Price $5.99
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