We first added Private Browsing to Firefox to give you control over your privacy locally by not saving your browser history and cookies when you close a private window. Private Browsing with Tracking Protection
You can learn more about Firefox Private Browsing with Tracking Protection by checking out this video. No other browser’s Private Browsing mode protects you the way Firefox does-not Chrome, not Safari, not Microsoft Edge or Internet Explorer. With the release of Tracking Protection in Firefox Private Browsing we are leading the industry by giving you control over the data that third parties receive from you online. We created this feature because we believe in giving you more choice and control over your Web experience.
We’re releasing a powerful new feature in Firefox Private Browsing called Tracking Protection.