Tinfoil for Firefox provides easy access to advanced privacy preferences

"While you can make privacy related configuration changes in the Firefox options, many advanced options become only available when you load about:config or install add-ons that provide you with frontend access to those settings.
"You can check out our list of best privacy add-ons for Firefox which gives you an overview of good extensions for that purpose.
"Tinfoil is a brand new extension for Firefox that makes quite a few privacy related preferences available in its options. ... "

Source: gHacks Tech News
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