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Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
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The easy way to download and convert Web videos from hundreds of YouTube-like sites.
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The most lightweight and easiest translator. Translate between more than 80 languages with one click or a hot key. Translate from one word to a whole page.
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Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
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A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
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Dark theme for Firefox. Inspired by the night launch of STS-116.
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When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.