Add-ons

Summer Themes by Mozilla

Translation Tools by Mozilla

Find the right extension for your personal translation needs.

Extensions Challenge honorees by Mozilla

Check out the winners & finalists of our recent Firefox Quantum Extensions Challenge! Subject categories included tab management, entertainment/games, and changing the browser's appearance.

Spring Themes by Mozilla

It's the season of renewal. Give your browser a new look for spring.

Social Media Customization by Mozilla

Wikipedia Boosters by Mozilla

Good Time Tabs by Mozilla

Have a little fun with new tab pages.

Re-imagine Search by Mozilla

Solutions to custom search needs.

Be More Productive by Mozilla

From organization tools to time management features, here are a bunch of extensions that put the browser to work for you.

Watching Videos by Mozilla

Change Up Your Tabs by Mozilla

Dynamic Media Downloaders by Mozilla

There are better ways to download video, images, and more.

Extensions for Everything by Mozilla

From privacy protection to augmented emojis, there are extensions for all occasions.

Essential Extensions by Mozilla

From powerful privacy tools to media enhancers and more, here are some of the most indispensable Firefox extensions.

Framework DevTools by Mozilla

These add-ons extend the powerful capabilities of the Firefox Developer Tools that are already part of the browser.

Trending Extensions by Mozilla

Bookmark Managers by Mozilla

Customize and re-organize the way you manage your bookmarks.

Ad Blockers by Mozilla

Take control of your online advertising experience.

Password Managers by Mozilla

Enjoy better security and more convenience with an excellent password manager.

Winter Themes by Mozilla

Give your Firefox a winter wardrobe change!