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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 (48)
24,459 users

Free Memory No Restart

An add-on to perform free-memory operations without visiting about:memory.

Rated 4 out of 5 stars (24)
21,750 users

CleanQuit (Mobile) No Restart

Clean up the mess and quit! This extension brings back the good old quit button to life as well as the ability to clean what you wish at the same time.

Rated 4 out of 5 stars (23)
19,696 users

Eliminator Slajdów No Restart

Oglądaj galerie zdjęć bez slajdów w serwisach Agory, ONETu, MojeMiasto i MediaRegionalne. Wszystkie zdjęcia wyświetlają się na jednej stronie. Nie trzeba już przeładowywać całości przechodząc do następnego slajdu.

Rated 5 out of 5 stars (12)
17,380 users

Cloud Viewer No Restart Featured

Open various types of files in Google Docs Viewer

Rated 4 out of 5 stars (34)
16,849 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 (31)
15,497 users

Searchonymous No Restart

Search anonymously on Google, while keeping your search preferences and stay logged in on services such as Youtube, Gmail, etc.

Rated 4 out of 5 stars (23)
15,494 users

Tap Translate No Restart Featured

Adds a translate button to the long-tap menu.
Github: https://github.com/miraks/Tap-Translate

Rated 4 out of 5 stars (15)
15,426 users

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It takes time for Mozilla to review updates thus this version might be out of date sometimes.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 (52)
13,548 users

Vagex Firefox Add-on

Vagex is a view exchange site which will expose your video to thousands of members in order to increase the view count. With our system, YouTube will see all the views your videos are getting and promote it even more, having a sort of viral effect.

Rated 3 out of 5 stars (6)
12,490 users

Mobile Password Manager No Restart Featured

View and edit saved passwords on your phone, tablet or desktop.

Rated 4 out of 5 stars (16)
8,967 users

Always Zoom No Restart

Allow zooming even on pages that disable it.

Rated 5 out of 5 stars (12)
8,489 users

Goal.com Feed No Restart Featured

Get the latest football news from Goal.com on your Firefox for Android homescreen. This add-on provides breaking news directly from Goal.com so you can keep up with the football competitions, teams and players that matter to you.

Rated 5 out of 5 stars (2)
8,079 users

JSONovich No Restart

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (28)
8,068 users

Smart Referer No Restart

Send referers only when staying on the same domain.

You can whitelist domains with wildcards and configure other things, look in the preferences page of the addon in the addon manager.

Rated 5 out of 5 stars (26)
7,780 users

REST Easy No Restart

A simple REST client for Firefox

Rated 4 out of 5 stars (6)
7,737 users

Desktop by Default No Restart

Enables desktop mode by default.

Rated 4 out of 5 stars (21)
7,605 users

RememberPass No Restart

RememberPass is a Firefox/Firefox Mobile Addon to force browser to remember password even website disable it by default. It's done by set autocomplete to "on" where it's off.
Here is: Test Page

Rated 4 out of 5 stars (15)
7,019 users

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 (25)
6,607 users

Enable Youtube Player Mobile No Restart

Enables the Youtube player for Firefox for Android

Rated 4 out of 5 stars (4)
6,257 users