Chrome-Stats extensionThe top 25 most used Firefox add-on in Privacy & Security category
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.
375 results. Page 1 of 15.
#1, uBlock Origin
Raymond Hill
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,950,225
#2, 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.
1,499,399
#3, Privacy Badger
EFF Technologists
Automatically learns to block invisible trackers.
1,230,523
#4, AdGuard AdBlocker
Adguard Software Ltd
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,088,976
#5, Ghostery – Privacy Ad Blocker
Ghostery
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,027,758
#6, Bitwarden Password Manager
Bitwarden Inc.
At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.
740,596
#7, AdBlocker for YouTube™
AdblockLite
Remove all annoying ads from YouTube.
487,616
#8, NoScript Security Suite
Giorgio Maone
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
298,651
#9, Decentraleyes
Thomas Rientjes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
260,633
#10, 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
237,270
#11, ClearURLs
Kevin R.
Removes tracking elements from URLs
221,969
#12, FoxyProxy Standard
Eric Jung
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
208,899
#13, User-Agent Switcher and Manager
Ray
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
96,401
#14, Disconnect
Disconnect
Make the web faster, more private, and more secure.
92,235
#15, Block Site
Ray
A customizable, password-protected website blocker and redirector.
70,733
#16, Don't track me Google
Rob W
Removes the annoying link-conversion at Google Search / maps / ...
67,849
#17, RoboForm Password Manager
Siber Systems
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
63,263
#18, Popup Blocker (strict)
Jeremy Schomery
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
62,946
#19, SingleFile
gildas
Save an entire web page—including images and styling—as a single HTML file.
58,811
#20, PopUpOFF
RomanistHere
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
28,332
#21, CanvasBlocker
kkapsner
Alters some JS APIs to prevent fingerprinting.
25,663
#22, FoxyTab
erosman
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
21,461
#23, Clear Browsing Data
Armin Sebastian
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
19,750
#24, History Cleaner
Rayquaza01
Deletes browsing history older than a specified number of days.
16,176
#25, 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).
3,757,023
375 results. Page 1 of 15.