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HTML5 Video Everywhere! No Restart

Replace video player with Firefox native video player

Rated 4 out of 5 stars (27)
40,274 users

about:addons-memory No Restart

Adds an about:addons-memory page that details add-on memory usage

Rated 5 out of 5 stars (80)
36,540 users

ExHentai Easy 2 No Restart

When accessing exhentai.org the user is presented with a photo of a sad panda. Access to the site is restricted to users of the sister site http://forums.e-hentai.org whom must manually copy their IPB cookie. This plugin automates this process.

Rated 5 out of 5 stars (8)
35,258 users

Clean Links No Restart Featured

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 (84)
34,652 users

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)
32,243 users

Phony No Restart Featured

View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.

Rated 4 out of 5 stars (79)
29,912 users

Free Memory No Restart

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

Rated 4 out of 5 stars (37)
28,385 users

Eliminator Slajdów No Restart

Oglądaj galerie zdjęć bez slajdów na większości polskich portali. Wszystkie zdjęcia wyświetlają się na jednej stronie. Nie trzeba już przeładowywać całości przechodząc do następnego slajdu.

Rated 4 out of 5 stars (17)
28,364 users

PriceBlink - Automatic Price Comparison & Coupons No Restart Featured

**About 2012 Reader’s Choice Award: Best Browser Addon**

Automatically finds lower prices and money-saving coupons from thousands of retailers while you shop. PriceBlink stays hidden until you are shopping. US and UK.

Demo: youtu.be/UKxMx5bT-QM

Rated 4 out of 5 stars (102)
26,334 users

Full Screen mobile No Restart

Make Firefox for Android use the whole screen

Rated 3 out of 5 stars (81)
22,953 users

URL Fixer No Restart Featured

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Rated 4 out of 5 stars (98)
22,933 users

HTML5 YouTube Everywhere No Restart

Get rid of legacy Flash based embedded YouTube videos and replace them with YouTube's HTML5 player. Works even if you have Flash on.

Support for replacing the player on YouTube site is in development.

Rated 4 out of 5 stars (6)
22,441 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 (34)
21,601 users

Youtube HTML5 Video Player No Restart

Youtube video player stucks a lot, this basic video player sucks less

Rated 4 out of 5 stars (18)
20,030 users

I don't care about cookies No Restart

Get rid of annoying cookie warnings from tens of thousands of 'infected' websites!

Rated 5 out of 5 stars (18)
17,867 users

Custom User-Agent String No Restart

Set custom User-Agent string. Also available for Firefox on Android.

Rated 3 out of 5 stars (8)
16,336 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 (30)
14,828 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 (28)
13,296 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 (54)
12,587 users

Silent Block

Minimum and fast URL blocker by regular expression.

Rated 5 out of 5 stars (17)
12,382 users