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Free Memory 2.0

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

Rated 4 out of 5 stars (12)
10,796 users

SurfEarner

Расширение позволяет зарабатывать реальные деньги за просмотр рекламы. Вывод денег на Qiwi, Webmoney, Яндекс.Деньги и Perfect Money.

Rated 4 out of 5 stars (9)
3,774 users

Tampermonkey

Tampermonkey is the world's most popular userscript manager.

Rated 4 out of 5 stars (36)
26,994 users

Restart manager Requires Restart

Adds to Firefox the ability for easy restart on demand.
Also, in versions 20+, manages all normal restart requests, allowing the user to choose
what to do, according to offered options.

Rated 5 out of 5 stars (6)
1,878 users

Simple Form Fill

Enter text into input fields by choosing items from the context menu. New items can be added by selecting text and choosing 'Add to Simple Form Fill' or by changing the add-ons' preferences.

Rated 5 out of 5 stars (8)
1,771 users

Disable Add-on Compatibility Checks

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

Rated 4 out of 5 stars (107)
40,082 users

YouTube Object2iframe

This addon converts old-style flash embeds into new-style iframe embeds. This allows for HTML5 playback without flash.

Rated 5 out of 5 stars (2)
1,241 users

InfoLister Requires Restart

Lists installed add-ons (extensions, themes, plugins). Mozilla does not allow me to publish the version compatible with Firefox 48+, see http://forums.mozillazine.org/viewtopic.php?f=48&t=2084957&p=14715558#p14715558 for details.

Rated 4 out of 5 stars (34)
1,144 users

UniBT Proxy

A simple Firefox add-on to quickly enable/disable the Uni Bayreuth Proxy.
Please note: Won't work with the "private browsing mode" enabled.

Not yet rated
1,909 users

YouTube Plus

YouTube with more freedom.

Rated 5 out of 5 stars (68)
20,872 users

Youtube's Annotations No More

Disable Youtube's annotations.

Rated 5 out of 5 stars (7)
2,359 users

Url to QrCode

an add-on for convert URLs to Qr Code.

Rated 3 out of 5 stars (1)
1,579 users

h264ify

Makes YouTube stream H.264 videos instead of VP8/VP9 videos

Rated 5 out of 5 stars (16)
15,325 users

Map+ Requires Restart

View a Yahoo! map of a selected address without having to open a new window or tab.

Rated 4 out of 5 stars (26)
1,140 users

Greasemonkey Script Preferences Viewer

Supply a GUI for viewing Greasemonkey script preferences that are saved with GM_SetValue.

Not yet rated
1,696 users

Call a Number via Fritz!Box

Markieren Sie eine Telefonnummer auf einer Webseite oder in einer Email und Rufen diese über das Contextmenü direkt über die Fritz!Box an. Benötigt eine Fritz Box mit Firmware 5.5+ und aktivierte Wählhilfe.

Rated 5 out of 5 stars (6)
1,176 users

Restart Requires Restart

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

Rated 5 out of 5 stars (60)
27,599 users

Memory Fox Next Requires Restart

Amended Memory Fox.
Attempts to reduce both Browser and Flash usage of RAM memory. Memory Fox Next will promote the increase of available RAM for other application processes, hopefully, fostering any attempts of Memory Recovery and Retention.

Rated 5 out of 5 stars (7)
9,802 users

2chブラウザで開く Requires Restart

リンク先が2chのリンクぽかったら2chブラウザで開きなおします。

Rated 2 out of 5 stars (1)
1,216 users

FxKeyboard Requires Restart

A virtual keyboard for Firefox. Adds a keyboard to the bottom of the window. Usefull for touchscreens or kiosks setups.

Rated 4 out of 5 stars (13)
9,192 users