Top-Rated Extensions

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uBlock Origin No Restart

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (36)
28 045 gebruikers

Yahoo Mail Hide Ad Panel No Restart

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 (60)
30 522 gebruikers

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (32)
11 947 gebruikers

Adblock Plus No Restart

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 (4 864)
20 742 963 gebruikers

µBlock No Restart

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (163)
187 445 gebruikers

Extension Auto-Installer No Restart

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (12)
3 913 gebruikers

lolifox - Fierr MOD

Replaces the error page with a lolifox appearance with additional features.

Rated 5 out of 5 stars (15)
4 319 gebruikers

Adblock Edge No Restart

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.

**This addon will be discontinued on June 2015**

Rated 5 out of 5 stars (264)
773 735 gebruikers

FB Phishing Protector No Restart

Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.

Rated 5 out of 5 stars (21)
40 816 gebruikers

Remote XUL Manager No Restart

Manages the Remote XUL whitelist to allow websites and local files to load XUL content.

Rated 5 out of 5 stars (34)
37 268 gebruikers

TabsInForeground No Restart

Always open Tabs in foreground. Use system back button to close again.

Rated 5 out of 5 stars (13)
2 360 gebruikers

Fierr

Replaces the error page with a more stylish appearance with additional features.

Rated 5 out of 5 stars (51)
3 247 gebruikers

Ghostery No Restart Uitgesoek

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (1 137)
1 400 527 gebruikers

GitHub Extension Installer No Restart

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (8)
2 364 gebruikers

UnMHT No Restart

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 5 out of 5 stars (202)
88 864 gebruikers

FoxTrick No Restart

Firefox extension for the popular Hattrick.org online football game.

It takes time for Mozilla to review updates thus this version might be out of date sometimes. The latest stable release can always be found on https://www.foxtrick.org/download

Rated 5 out of 5 stars (54)
11 861 gebruikers

Bluhell Firewall No Restart Uitgesoek

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 (225)
138 382 gebruikers

Clean Links No Restart Uitgesoek

Converts obfuscated or nested links to genuine clean links.

Eg: http://somesite.com/?to=www.example.comhttp://www.example.com/

Rated 5 out of 5 stars (88)
36 459 gebruikers

Always Zoom No Restart

Allow zooming even on pages that disable it.

Rated 5 out of 5 stars (20)
9 872 gebruikers

Toggle animated GIFs No Restart

Start/stop GIF animations through a keyboard shortcut or by clicking them. You can also restart animations from the beginning, or disable animations by default.

Rated 5 out of 5 stars (43)
10 805 gebruikers