Collections

Collections are groups of related add-ons that anyone can create and share. Explore collections created by other users or create your own.

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Web Developer's Toolbox by Mozilla

Speed up the development process by using add-ons to troubleshoot, edit, and debug web projects without ever clicking away from Firefox.

16,825 followers

Get smart on privacy by Mozilla

How do you protect and manage your privacy online? The add-ons in this collection are designed to help give you more control of your personal information.

2,298 followers

Complete Themes by Mozilla

Complete Themes transform the look of your browser with styles for the window frame, address bar, buttons, tabs, and menus. New featured complete themes are picked by a community board every quarter!

3,354 followers

Games! by Mozilla

Play games right from your browser, anytime. Puzzles, action, classic video games, even stuff for kids—turn Firefox into your very own arcade!

171 followers

Must-Have Media by Mozilla

Take better screenshots, improve your video experience, finally learn how to make a GIF, and other fancy media tools.

45 followers