Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Group Speed Dial
Speed Dial / visual bookmarks with groups for power users. Now you can fit all your favorite sites into one fast SpeedDial in an organized fashion. Dials are synchronized through Cloud to all your devices! For free! No Ads! www.FastAddons.com
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ReloadMatic: Automatic Tab Refresh
ReloadMatic automates the periodic reloading / refreshing of browser tabs. It offers cache control, custom intervals, POST support and many other features. It also integrates with browser features such as tab restore, pinning, and incognito mode.
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Forecastfox (fix version)
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
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YouTube High Definition
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
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Enhancer for YouTube™
Tons of features to improve your user experience on YouTube™.
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SoundFixer
Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)
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YouTube High Definition
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
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Video Speed Controller
Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.
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Wikiwand: Wikipedia Modernized
Good old Wikipedia gets a great new look
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Wikipedia Peek
Shows previews of linked articles on Wikipedia pages.
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Wikipedia Context Menu Search
Search for highlighted text on Wikipedia via the context menu.
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Random Unusual Wikipedia new tab
Redirects to a random unusual Wikipedia page when you open a new tab, because when you're opening a new tab you're looking for a distraction and that distraction might as well be a weird fact. Or show random Cognitive Bias, or Philosophical concept.
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New Tab Override (WebExtension)
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
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Tree Style Tab
Show tabs like a tree.
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Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
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OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
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