List of Firefox add-ons with Updated 6-12 months ago

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Add-ons (also known as extensions) are small programs that run inside web browsers like Mozilla Firefox. They add extra features to the browser without having to download anything new. You can use extensions to make browsing faster, easier, and safer. Some extensions even let you do things like translate text on websites, search the web, and play games.

There are over 28,000 Firefox-addons and 480,000 themes, making it hard to find the best ones. so we have created a way to sort through all of them. Use the dropdown above to set different filters. Add-ons are sorted by number of active users.

To set even more advanced filters, and sort the Firefox add-ons differently, please visit our Advanced search tool. Note that Advanced search tool is only available to premium members.

10,870 results. Page 1 of 435.

#1, Easy Screenshot

Mozilla Online

Capture a screenshot of the whole webpage, and save in your desktop in default.

3.92 (692)

3,413,366

#2, AdBlock for Firefox

AdBlock

The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

4.30 (3,128)

1,160,305

#3, Activist – Balanced

Mozilla Firefox

You leave the world a better place than you found it and lead others to believe.

4.80 (60)

961,161

#4, Visionary – Balanced

Mozilla Firefox

You question the status quo and move others to imagine a better future.

4.56 (27)

634,205

#5, Dreamer – Balanced

Mozilla Firefox

You believe that fortune favors the bold and inspire others to be brave.

4.81 (27)

558,164

#6, Expressionist – Balanced

Mozilla Firefox

You see the world differently and your creations stir the emotions of others.

4.56 (9)

338,496

#7, Innovator – Balanced

Mozilla Firefox

You see opportunities everywhere and make an impact on the lives of everyone around you.

4.50 (10)

289,135

#8, Playmaker – Balanced

Mozilla Firefox

You create opportunities to win and help everyone around you elevate their game.

3.80 (5)

287,505

#9, Lush – Soft

Mozilla Firefox

Life is better in color. Make your browsing a little more joyful and vibrant.

4.57 (14)

267,773

#10, Reddit Enhancement Suite

honestbleeps

Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.

4.81 (539)

261,996

#11, Cookie AutoDelete

CAD Team

Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported

4.59 (1,418)

240,375

#12, Dreamer – Bold

Mozilla Firefox

You believe that fortune favors the bold and inspire others to be brave.

4.76 (21)

212,699

#13, Activist – Bold

Mozilla Firefox

You leave the world a better place than you found it and lead others to believe.

4.55 (20)

203,652

#14, Keepa.com - Amazon Price Tracker

Keepa.com

→ Price History charts → Price Drop & Availability Alerts → Over 1 billion tracked products → Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .it | .es | .in | .mx

4.40 (491)

199,397

#15, ClearURLs

Kevin R.

Removes tracking elements from URLs

4.48 (722)

187,295

#16, Avast Online Security & Privacy

AVAST Software

Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.

4.48 (1,558)

181,285

#17, Video Background Play Fix

JanH

Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.