Sometimes, you need a fresh Firefox. One that is exactly as if you had just installed it. Nothing cached, no cookies, clean. Or perhaps you use different Firefox profiles, for different purposes, and don’t want to have to install all your favourite extensions and configuration changes every time you create a new profile. This post describes one way to achieve both those things. While this post tells how to do it in Linux, you could certainly adapt the methods for Windows or whatever. All you need is Firefox, a way to start it, and a scripting language.

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