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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 (883)
448,404 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 (202)
38,638 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 (185)
292,389 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 (68)
16,065 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)
19,225 users

Disable Ctrl-Q Shortcut No Restart

Never close the browser by mistake again.

Rated 5 out of 5 stars (43)
3,586 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 (140)
93,315 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 (139)
42,178 users

EHTip

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

Rated 5 out of 5 stars (58)
6,245 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, FF36 users must use v3.362 (on addon page)!

Rated 5 out of 5 stars (132)
13,832 users

Yahoo Mail Hide Ad Panel No Restart

Permanently hides the Ads panel in the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads at 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 (59)
31,538 users

Pray Times! Featured

Display daily Muslim prayer times.

Rated 5 out of 5 stars (359)
14,594 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 (41)
3,786 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 (39)
22,479 users

Pearltrees No Restart Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (244)
28,522 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)
2,415 users

FindBar Tweak No Restart Featured

Anything between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, FindBar Tweak will make your find toolbar "just right"!

Rated 5 out of 5 stars (212)
28,677 users

FILMEGO No Restart

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

Rated 5 out of 5 stars (26)
572 users

Old Default Image Style No Restart

Restores the default image style used for top-level images in previous versions of Firefox.

Rated 5 out of 5 stars (89)
11,606 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 (1,541)
176,756 users