Featured Extensions

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Private Tab No Restart Featured

Adds private tabs.

Rated 5 out of 5 stars (176)
76,713 users

QuickMark No Restart Featured

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (36)
8,135 users

Capture & Print No Restart Featured

This add-on lets you print a webpage's area easily.

Rated 5 out of 5 stars (44)
51,790 users

Copy As Plain Text Featured

Removes formatting from copied text.

Rated 4 out of 5 stars (46)
22,980 users

TableTools2 - Copy/Sort/Chart/Filter Table&More! Featured

Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.

Rated 5 out of 5 stars (43)
19,107 users

Google Privacy Featured

Make some popular websites respect your privacy settings.
Please see the known issues below!

Rated 5 out of 5 stars (32)
36,631 users

Reload Plus No Restart Featured

Supercharge your reload button and hotkeys!

Rated 5 out of 5 stars (69)
13,550 users

Free Memory No Restart Featured

An add-on to perform free-memory operations without visiting about:memory.

Rated 4 out of 5 stars (37)
27,612 users

Quick Translator Featured

The most lightweight and easiest translator. Translate between more than 80 languages with one click or a hot key. Translate from one word to a whole page.

Rated 5 out of 5 stars (459)
265,100 users

Speed Dial [FVD] - New Tab Page, Sync... Featured

FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.

Rated 5 out of 5 stars (1,558)
177,473 users

Gmail™ Notifier Plus No Restart Featured

Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.

Rated 4 out of 5 stars (32)
32,751 users

NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,463)
2,231,692 users

Lightbeam for Firefox No Restart Featured

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

Rated 4 out of 5 stars (380)
463,603 users

Blur Featured

Protect your Passwords, Payments, and Privacy.

Rated 3 out of 5 stars (620)
356,939 users

FireTube (Youtube Music Player) No Restart Featured

Listen to unlimited, free music with FireTube.
Simply search the artist or song of your choice and enjoy.

Interested in building something like this yourself? Learn to code for mobile and more at Mobile Makers !

Rated 4 out of 5 stars (103)
24,889 users

Font Finder Featured

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (64)
33,916 users

Omnibar Featured

Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.

Rated 4 out of 5 stars (455)
50,184 users

Bluhell Firewall No Restart Featured

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (219)
143,698 users

Master Password+ Featured

Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows

Rated 4 out of 5 stars (108)
25,585 users

ChatZilla Featured

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Rated 4 out of 5 stars (124)
164,592 users