Top-Rated Extensions

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Classic Theme Restorer (Customize UI)

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 (937)
426,766 users

The Fox, Only Better No Restart Featured

Australis, the new Firefox theme, made a great browser look awesome. And now it will also feel awesome using it!

Rated 5 out of 5 stars (233)
43,611 users

YouTube High Definition No Restart 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 (197)
269,695 users

OmniSidebar No Restart 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 (80)
21,075 users

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

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 (44)
16,554 users

Puzzle Toolbars No Restart

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 (48)
4,299 users

Disable Ctrl-Q Shortcut No Restart

Never close the browser by mistake again.

Rated 5 out of 5 stars (47)
3,671 users

Classic Toolbar Buttons No Restart 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 on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (142)
39,162 users

Fastest Search - Browse/Shop Faster! No Restart Featured

Search/browse/shop faster than ever! Ctrl-Shift-F for whole-word/regex/all tabs/diacritic search;create custom engines;shopping assistant compares price;Smart SearchBox;Preview results;Auto copy plain text, dnd save image/open link.Use v3.363(below)!

Rated 5 out of 5 stars (140)
12,291 users

EHTip

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

Rated 5 out of 5 stars (58)
5,580 users

Best Proxy Switcher

Best Proxy Switcher was developed by the team, who provides proxy service since 2004 year. You can use Best Proxy Switcher with your own proxy or use 3 day FREE trial to let it download most recently checked list from our web site automatically!

Rated 5 out of 5 stars (42)
22,487 users

Pray Times! Featured

Display daily Muslim prayer times.

Rated 5 out of 5 stars (363)
12,665 users

Theme Font & Size Changer No Restart Featured

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (145)
85,911 users

EcoLink ‒ Plant trees for free! No Restart

Add EcoLink to your browser today, and every time you purchase something online, up to 10% of your purchase will automatically be donated to a tree planting in Burkina Faso – at no cost to you!

Rated 5 out of 5 stars (47)
1,994 users

Pearltrees No Restart Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (245)
20,704 users

Cas24Play ban evasion No Restart

Cas24play browser plug-in - stable web site access.

Rated 5 out of 5 stars (44)
167 users

YouTube Flash Video Player No Restart

YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.

Rated 5 out of 5 stars (29)
239,519 users

FILMEGO No Restart

The best addition to the sites IMDb.com, RottenTomatoes.com and others.

Rated 5 out of 5 stars (29)
989 users

Add-ons Manager Context Menu

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (28)
9,524 users

YouTube Flash Player No Restart

A very lightweight add-on that forces YouTube™ to play videos using Flash® Player because it consumes less material resources (CPU, RAM) and offers more resolution choices than the HTML5 Player.

Rated 5 out of 5 stars (34)
316,904 users