Most popular Firefox add-ons in Firefox Browser Add-ons
136,455 results. Page 1 of 5459.
#1, uBlock Origin
Raymond Hill
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,070,156
#2, Adblock Plus
Adblock Plus
One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
3,641,323
#3, Easy Screenshot
Mozilla Online
Capture a screenshot of the whole webpage, and save in your desktop in default.
3,004,357
#4, Language: English (US)
Mozilla Firefox
Firefox Language Pack for English (US) (en-US)
2,518,013
#5, Video DownloadHelper
mig
Download videos from the web. Easy, smart, no tracking.
1,967,767
#6, AdBlocker Ultimate
AdAvoid
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,828,824
#7, Language: English (CA)
Mozilla Firefox
Firefox Language Pack for English (CA) (en-CA)
1,808,098
#8, Language: English (GB)
Mozilla Firefox
Firefox Language Pack for English (GB) (en-GB)
1,796,643
#9, Privacy Badger
EFF Technologists
Automatically learns to block invisible trackers.
1,569,876
#10, DuckDuckGo Privacy Essentials
DuckDuckGo
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1,427,831
#11, AdGuard AdBlocker
Adguard Software Ltd
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,316,060
#12, 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.
1,309,937
#13, Dark Reader
Dark Reader Ltd
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,256,510
#14, Language: Deutsch (German)
Mozilla Firefox
Firefox Language Pack for Deutsch (de) – German
1,061,486
#15, Language: Français (French)
Mozilla Firefox
Firefox Language Pack for Français (fr) – French
1,059,890
#16, Ghostery – Privacy Ad Blocker
Ghostery
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1,056,634
#17, Facebook Container
Mozilla Firefox
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
1,043,202
#18, To Google Translate
Juan Escobar
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
932,674
#19, Cisco Webex Extension
Cisco WebEx
Join Webex meetings using Firefox ™
856,437
#20, Bitwarden Password Manager
Bitwarden Inc.
At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.
825,699
#21, Return YouTube Dislike
Dmitry Selivanov
Returns ability to see dislike statistics on youtube
770,148
#22, Grammarly: AI Writing and Grammar Checker App
Grammarly
Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
750,521
#23, Tampermonkey
Jan Biniok
Tampermonkey is the world's most popular userscript manager.
746,397
736,089
#25, Language: Español (ES) (Spanish, Spain)
Mozilla Firefox
Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
702,411
136,455 results. Page 1 of 5459.