Not only is Mozilla Firefox 4 fast, feature-rich, and secure, but it’s also the most customizable Firefox ever. Whether you’re an add-on aficionado or just getting started with personalization, our brand new Add-ons Manager, restartless add-ons, and automatic updates make finding and using add-ons a breeze. And with hundreds of thousands of add-ons updated for this version, there’s no better time to make Firefox your own with a time-saving notifier or stylish Persona.
Completely new Add-ons Manager
Discovering, installing, and managing add-ons is simple with the new Add-ons Manager in Firefox 4. The tab-based layout allows ample room to view your installed add-ons and search for new ones. The Get Add-ons pane now features our favorite picks and even recommends add-ons for you based on those you currently use.
Install add-ons without restarting Firefox
Firefox 4 allows certain types of add-ons to be installed, managed, and removed without restarting your browser. These add-ons are marked as “No restart required” in our gallery. Go ahead, give it a try!
Automatically keep your add-ons updated
Add-on updates mean new features, bug fixes, and an active add-on development community, but for users with several add-ons, the update prompts can be frequent and distracting. That’s why in Firefox 4, you won’t see them by default; your add-ons will stay up-to-date automatically! If you’d rather update your add-ons manually, or update manually for specific add-ons, it’s easy to do that from the Add-ons Manager.