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Profile Switcher for Firefox Connector 0.1.1, released by nulldev, is a lightweight native bridge that enables the companion browser extension to manage multiple Firefox profiles from a single interface. Positioned in the Browser Tweaks & Add-ons category, the connector acts as the behind-the-scenes helper that grants the extension permission to list, launch, and switch between entirely isolated browsing environments without manual navigation to about:profiles. Once installed, it quietly listens for commands from the add-on, spawning new Firefox instances with the requested profile and ensuring that cookies, history, add-ons, and settings remain segregated. Typical use cases include web developers who need to test sites across clean, extension-free profiles and heavily-customized daily-driver setups, privacy-minded users who separate work, personal, and shopping identities, and QA teams that automate regression tests against multiple Firefox configurations. Because the connector is version-locked to the extension, only one build—0.1.1—has been published, eliminating version-mismatch issues. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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