XJZ Survey Remover is a tool that disables surveys that prevent the user from viewing websites. According to the makers of the tool, such surveys are often exploitative.
XJZ Survey Remover comes in two formats: as an add-on and as a "bookmarklet." The add-on is for Mozilla Firefox and Google Chrome. It is highly customizable. According to the makers, it is easy to install and safe and simple to use. The bookmarklet works in all major browsers, including Firefox, Chrome, Opera and Safari, but not Microsoft Internet Explorer. It does not require installation and is free.