Flashblock

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Flashblock
Developer(s) Philip Chee
Initial release 28 January 2004; 10 years ago (2004-01-28)
Stable release 1.5.17 (for Firefox 4.0 to 22+) 1.3.20 (Seamonkey and other browsers)[1] / 23 March 2013; 20 months ago (2013-03-23)
Operating system Cross-platform
Available in 34 languages
Type Firefox extension
License MPL1.1/GPL 2.0/LGPL 2.1 [2]
Website flashblock.mozdev.org

Flashblock is a content-filtering Firefox extension for Mozilla Firefox and SeaMonkey.

Flashblock allows users to prevent page elements, such as HTML object tag browser plug-ins and advertisements, from being displayed. Flashblock does neither stop the download of Flash content nor does it prevent its execution completely.

The extension uses XBL and CSS to prevent elements of Silverlight, Macromedia Authorware, Adobe Director and Adobe Flash from being displayed.[3] Flashblock does not prevent the elements from being downloaded.[4]

Flashblock provides a mechanism that allows users to display the blocked elements by clicking on them, or by whitelisting.

Flashblock is based on a bookmarklet by Jesse Ruderman.[3][5]

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