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a computer screen privacy tool for Windows

TunnelVision allows you to hide the parts of the screen where your mouse cursor is not, effectively increasing privacy (though at a cost).

  • configurable viewport shape, size
  • configurable color
  • configurable background image (with tiling, scale, centered modes)
  • tiny program, low memory footprint (when no background image is used)
  • supports Windows 95 and later (though tested more extensively on 2000+)
  • lovely GPL license!
Discuss TunnelVision in the Cockos Forums.
Current version:
  TunnelVision v0.02 (10/04/05) (30kb ZIP)
    + initial release
    + includes source

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