Top-Rated Extensions

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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 (13)
3 733 gebruikers

lolifox - Fierr MOD

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

Rated 5 out of 5 stars (16)
4 276 gebruikers

Sun Cult

Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...

Rated 5 out of 5 stars (116)
6 327 gebruikers

Console²

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

Rated 5 out of 5 stars (48)
10 364 gebruikers

NoScript Security Suite

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1 490)
2 163 934 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 (22)
39 448 gebruikers

Restartless Restart No Restart

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Rated 5 out of 5 stars (180)
44 344 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)
71 917 gebruikers

TabsInForeground No Restart

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

Rated 5 out of 5 stars (13)
2 357 gebruikers

Fierr

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

Rated 5 out of 5 stars (51)
2 988 gebruikers

GitHub Extension Installer No Restart

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (8)
2 451 gebruikers

Bluhell Firewall No Restart

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 (229)
136 842 gebruikers

DOM Inspector

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Rated 5 out of 5 stars (63)
136 690 gebruikers

smftn

调教QQ/FM中转站

Rated 5 out of 5 stars (6)
53 gebruikers

Clean Links No Restart

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 (91)
37 208 gebruikers

Polskie Radio podcast download No Restart

Obsługa wbudowanego playera, aktualizuj: https://addons.mozilla.org/pl/firefox/addon/podcast-polskieradio/versions/0.9

Dodaje opcję pobierania (link "Pobierz") podcastów ze stron Polskiego Radia http://polskieradio.pl/ do plików MP3/FLV na dysk.

Rated 5 out of 5 stars (9)
1 348 gebruikers

Are You Watching This?! Sports

Sports Scores and News for the NFL, NBA, MLB, NHL, College Basketball, College Football, Soccer, NASCAR and more, from the highest-rated sports add-on for Firefox!

Rated 4 out of 5 stars (108)
789 gebruikers

AVIM

An input method editor (IME) for Vietnamese. Type Vietnamese diacritics directly into any Web page, Web app, or dialog box.
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Bộ gõ tiếng Việt cho phép đặt dấu trực tiếp vào bất kỳ trang Web, ứng dụng Web, và hộp thoại.

Rated 5 out of 5 stars (30)
2 743 gebruikers

Silent Block

Minimum and fast URL blocker by regular expression.

Rated 5 out of 5 stars (18)
10 363 gebruikers

Disable Add-on Compatibility Checks No Restart

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Rated 4 out of 5 stars (91)
40 447 gebruikers