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I went to Mac's Preferences for TrackPad and uncheck Zoom already, but if I go to Chrome or Firefox, and use two fingers to zoom, the page will still zoom in or zoom out. It is troublesome because sometimes I mean to move the mouse cursor or scroll up or down but instead zoom in or out of the page instead, so hoping to disable it.

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up vote 5 down vote accepted

To disable the zoom of a web page you want to uncheck the "Pinch" action in the Trackpad Preference Pane as Screen Zoom is a different feature (For zooming in the entire interface). Myself I have it disabled for this exact same reason - I trigger it accidentally far too often.

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yeah, it happens far too often than the real need to zoom in or out. I think I need to zoom in or out a few times a day at most, but trigger this by it being too sensitive almost 30 times a day. – 太極者無極而生 Aug 19 '10 at 2:07

If you don't want to completely disable the "pinch" action, you might want to look into this. It will only disable this action in Safari, Firefox, Chrome and a few other programs.

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