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SizeUp allows you to quickly position a window to fill exactly half the screen (splitscreen), a quarter of the screen (quadrant), full screen, or centered via the menu bar or configurable system-wide shortcuts (hotkeys). Similar to "tiled windows" functionality available on other operating systems.

Additional features include moving windows from one monitor to another, from one Space to another, and restoring a window to its original size and position (SnapBack).

What's New

Version 1.6.2:
  • [Fixed] Minor bugs and a rare crash


  • OS X 10.5.8 or later

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5 40


Current Version (1.x)


Downloads 24,440
Version Downloads 3,956
Type Utilities / System
License Shareware
Date 15 Jan 2015
Platform OS X / PPC 32 / Intel 32
Price $12.99
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