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Beyond Australis Featured

Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!

Rated 5 out of 5 stars (315)
37,696 users

Classic Theme Restorer Requires Restart

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).

All builds & changelogs on versions page!

Rated 5 out of 5 stars (1,162)
428,084 users

YouTube Plus

YouTube with more freedom.

Rated 5 out of 5 stars (68)
20,872 users

Disable Ctrl-Q Shortcut

Never close the browser by mistake again.

Rated 5 out of 5 stars (74)
5,044 users

OmniSidebar Featured

Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!

Rated 5 out of 5 stars (110)
59,657 users

Puzzle Bars

Piece together all of your add-on buttons and extras into your browser window in exactly the way you want them!

Rated 5 out of 5 stars (65)
4,199 users

TableTools2 - Copy/Sort/Chart/Filter Table&More! Requires Restart

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 (50)
15,863 users

YouTube High Definition Featured

YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.

Rated 5 out of 5 stars (248)
286,505 users

Decentraleyes Featured

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.

Rated 5 out of 5 stars (79)
57,373 users

Google search link fix Featured

This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.

Rated 5 out of 5 stars (144)
75,803 users

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (37)
65,920 users

Classic Toolbar Buttons Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.

Beta builds on versions page!

Rated 5 out of 5 stars (161)
38,968 users

Pray Times! Requires Restart

Display daily Muslim prayer times.

Rated 5 out of 5 stars (373)
8,337 users

Adblock Plus Featured

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,931)
19,919,529 users

Pearltrees Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (245)
18,779 users

Fastest Search - Browse/Search Faster!

Search/browse faster than ever! Ctrl-Shift-F for whole-word/regex/all tabs/diacritic search;Create custom engines;Smart SearchBox;Preview results;Auto copy plain text, drag-n-drop image/link. Not multi-process compatible! http://y2u.be/gDlLrVZ54L0

Rated 5 out of 5 stars (179)
7,395 users

QuickMark Featured

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (49)
11,543 users

EHTip Requires Restart

Word translation in tooltip with English⟷Croatian dictionary already incorporated.

Rated 5 out of 5 stars (71)
2,880 users

Yahoo Mail Hide Ad Panel

Permanently hides the Ads panel on the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads on the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)

Rated 5 out of 5 stars (90)
28,547 users

Reader Featured

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (63)
34,187 users