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SizeWell provides users with better window resize and zoom options.

While resizing a window in Leopard (Mac OS X 10.5) or Snow Leopard (Mac OS X 10.6), hold a customizable modifier key to keep width/height, aspect ratio, centered, or to pin bottom right corner. In Lion (OS X 10.7), Apple has overhauled window resizing, therefore SizeWell no longer needs to implement these advanced resizing features for Lion users. SizeWell can still displays window dimensions while resizing windows in Lion, and continues to offers many zooming features.

When zooming a window, hold a customizable modifier key more...

What's New

Version 0.8.2 beta:

SizeWell SIMBL Plugin:
  • Added: Options to zoom whole window or window's content to resolutions in SizeWell Zoom Options menu.
  • Added: New resolution (HD 720 - 1280 x 720) to SizeWell Zoom Options menu.
  • Added: Shortcuts for all window positioning options in SizeWell Zoom Options menu.
  • Added: Window's content height to more...


  • Mac OS X 10.5 or later

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Current Version (0.x)


Downloads 11,272
Version Downloads 3,859
Type Utilities / System
License Free
Date 16 Nov 2011
Platform Intel 64 / OS X / PPC 32 / Intel 32 / PPC 64
Price Free
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