SizeUp 1.5 – Quickly position a window to fill a designated part of your screen.

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 1.5:

  • NEW: Icons for each action added to menu and shortcut preferences
  • NEW: Customizable menu. Click on the action icon in the shortcut preferences to
  • enable/disable that action in the menu
  • IMPROVED: Retina graphics!
  • IMPROVED: Updated Overlay images to match new iconography
  • FIXED: Issue moving between Spaces when Dock is at the bottom and showing
  • FIXED: Shortcuts only show Fn key in menu on OS x 10.8 Mountain Lion


Intel/PPC, OS X 10.5 or later


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