ResXtreme is a free Mac OS X display mode utility created by the author of EasyRes.

Download ResXtreme

ResXtreme provides access to all display modes for each connected screen, including extended and HiDPI modes accessible only via private system APIs. These private modes are not normally accessible to App Store apps.


  • Lists all connected screens.
  • Lists all resolution modes for each screen.
  • Includes resolution modes only accessible via private API calls.
  • Attempt to switch to any resolution mode by selecting it.
  • Optionally display both 8-bit and 10-bit modes.
  • Sort by any column.