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Classic Theme Restorer Requires Restart

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29-56 (Windows / MacOSX / Linux).

Release builds
Beta builds

Rated 5 out of 5 stars (1,049)
397,744 users

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 (348)
36,484 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 (119)
90,679 users

Reader Featured

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (61)
32,935 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 (228)
543,131 users

Disable Ctrl-Q Shortcut

Never close the browser by mistake again.

Rated 5 out of 5 stars (80)
5,126 users

YouTube Plus Compatible with Firefox 57+

YouTube with more freedom.

Rated 5 out of 5 stars (87)
26,800 users

Theme Font & Size Changer 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 (170)
110,727 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 (54)
15,218 users

Pearltrees Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (250)
17,872 users

Yahoo Mail Hide Ad Panel Compatible with Firefox 57+

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 (93)
25,885 users

Tab Groups Featured

Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.

Rated 5 out of 5 stars (669)
105,589 users

Pray Times! Requires Restart

Display daily Muslim prayer times.

Rated 5 out of 5 stars (347)
6,943 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 (5,135)
17,437,455 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 (132)
37,137 users

Aliexpress Shopping Assistant Compatible with Firefox 57+

1. Find the same products.
2. Historical price.
3. Show App's price.
4. Analyze seller.
5. Shortcuts visit Aliexpress

Rated 5 out of 5 stars (883)
18,839 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 (136)
6,277 users

BetterPrivacy-signed Requires Restart Featured

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

Rated 5 out of 5 stars (421)
405,004 users

EHTip Requires Restart

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

Rated 5 out of 5 stars (73)
2,363 users

FindBar Tweak Featured

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!

Rated 5 out of 5 stars (264)
32,304 users