Ranked #9 on the list Best Web browser extension of All Time

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About Inquisitor

  • Works on web browser: Safari

Inquisitor is a Cocoa plug-in for Mac OS X developed by David Watanabe. Inquisitor replaces the Google search bar in Safari or Camino with a predictive-typing feature that can be used for the Google search engine, as well as other sites like,, or even Wikipedia. It is also available as an Ajax-powered web application, for use on browsers other than Safari, including Windows and Linux machines. Inquisitor is only available for Safari as of the release of Inquisitor 3.0 beta 1, due to the small percentage of Camino users using it. The last supported version of Inquisitor for Camino was 2.6. Some of the developer builds of Mac OS X Leopard removed support for Input Managers, leading to concerns that Inquisitor may not function in Leopard. However, the shipping build of Leopard supports Input Managers when installed with Administrator credentials. On October 28, 2007 Inquisitor 3.0 (v49) was released, with a Leopard compliant installer. Inquisitor now currently supports Safari 3.x and 4.x. On May 9, 2009, Yahoo! acquired inquisitor. There is also an iPhone app of Inquisitor. It is available at the App Store for free. It was released on February 9, 2009 for iTunes USA

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