List of Firefox add-ons with Updated yesterday

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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.

#1, uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

4.79 (17,549)

7,815,774

#2, uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

4.79 (17,549)

7,815,774

#3, uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

4.79 (17,549)

7,815,774

#4, uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

4.79 (17,549)

7,815,774

#5, uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

4.79 (17,549)

7,815,774

#6, uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

4.79 (17,549)

7,815,774

#7, Language: English (US)

Mozilla Firefox

Firefox Language Pack for English (US) (en-US)

4.15 (756)

2,193,530

#8, Language: English (GB)

Mozilla Firefox

Firefox Language Pack for English (GB) (en-GB)

3.72 (918)

1,773,711

#9, Language: English (CA)

Mozilla Firefox

Firefox Language Pack for English (CA) (en-CA)

4.23 (66)

1,644,246

#10, 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.

4.29 (3,212)

1,178,587

#11, AdGuard AdBlocker

Adguard Software Ltd

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

4.70 (5,657)

1,047,995

#12, Language: Deutsch (German)

Mozilla Firefox

Firefox Language Pack for Deutsch (de) – German

4.14 (1,109)

962,813

#13, Language: Français (French)

Mozilla Firefox

Firefox Language Pack for Français (fr) – French

4.14 (1,163)

920,109

#14, Language: Français (French)

Mozilla Firefox

Firefox Language Pack for Français (fr) – French

4.14 (1,163)

920,109

#15, Bitwarden Password Manager

Bitwarden Inc.

At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.

4.76 (7,858)

726,816

#16, Language: Español (ES) (Spanish, Spain)

Mozilla Firefox

Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain

4.35 (629)

661,660

#17, Language: Español (ES) (Spanish, Spain)

Mozilla Firefox

Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain

4.35 (629)

661,660

#18, Language: Русский (Russian)

Mozilla Firefox

Firefox Language Pack for Русский (ru) – Russian

4.41 (287)

616,814

#19, Language: Português (BR)

Mozilla Firefox

Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese

4.59 (229)

569,644

#20, Enhancer for YouTube™

Maxime RF

Take control of YouTube and boost your user experience!

4.71 (11,156)

560,725

#21, Language: Español (MX) (Spanish, Mexico)

Mozilla Firefox

Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico

4.44 (325)

484,083

#22, Kaspersky Protection 2021

Kaspersky

Your protection on the Internet with extension from Kaspersky Lab

4.61 (4,693)

456,130

#23, Language: Español (AR) (Spanish, Argentina)

Mozilla Firefox

Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina

4.27 (197)

397,073

#24, Language: Español (AR) (Spanish, Argentina)

Mozilla Firefox

Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina

4.27 (197)

397,073

#25, Language: Polski (Polish)

Mozilla Firefox

Firefox Language Pack for Polski (pl) – Polish

4.64 (153)

385,608