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Search YouTube For This Requires Restart

Right click on selected or a link click search YouTube For Video of in the menu, a new tab will open with the searched text.

Rated 5 out of 5 stars (1)
321 users

Youtube Downloader Gold

This extension to download audio and video from popular video hosting YouTube. To download the available formats mp4, webm, mp4a, mp3.

Rated 2 out of 5 stars (1)
318 users

LastColour Requires Restart

Colour your text to the "last-picked" colour you chose in the colour-picker. Now you don't have to use the colour picker every time.

Rated 4 out of 5 stars (3)
317 users

MonkeyFix Requires Restart

Fixes up numerous SeaMonkey browser interface issues (eg. adding support for popup ALT attributes), as well as adding some handy features for developers and power users (eg. configure source viewer, work online/offline).

Rated 5 out of 5 stars (3)
314 users

bioFOX Requires Restart

Bioinformatics tools on Mozilla based browsers

Rated 5 out of 5 stars (20)
314 users

Element Hiding Helper for Pan

Help you create element hiding rules for Pan to fight the text ads.

Rated 5 out of 5 stars (6)
312 users

Zippy Extension Packager

Creates XPI files of extensions you have installed.

Rated 5 out of 5 stars (13)
309 users

EmotiConverter Requires Restart

Post your best emoticons of the easiest and fastest way.

Rated 5 out of 5 stars (33)
309 users

About:about Button

A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.

Rated 3 out of 5 stars (4)
308 users

WDownloader WGrabber

WDownloader plugin for Firefox

Rated 5 out of 5 stars (1)
306 users

ChatZilla zh-CN Language Pack Requires Restart

ChatZilla zh-CN language pack for ChatZilla 0.9.92

Rated 5 out of 5 stars (11)
304 users

Video Mouse Wheel

Use wheel mouse on videos to control video/audio/quality.
Choose flash/HTML5 on YouTube, autopause on background tabs, embedded videos.
And much more!

Rated 4 out of 5 stars (7)
303 users

TaQuilla Requires Restart

Automatic tagging using Bayesian statistics

Rated 4 out of 5 stars (12)
297 users

Page Hacker Revived Requires Restart

Adds a toolbar to edit and format the current page

Rated 4 out of 5 stars (8)
294 users

InlineDisposition Reloaded

InlineDisposition Reloaded changes the disposition type of "Content-Disposition" response headers from "attachment" and "file" to "inline"

Rated 4 out of 5 stars (3)
290 users

XPCOMViewer Requires Restart

XPCOMViewer is tiny tool for exploring XPCOM components.

Rated 4 out of 5 stars (6)
285 users

No Caption

Hide the caption of Firefox

Rated 4 out of 5 stars (14)
280 users

Dictionnaire des synonymes FR Requires Restart

Adds to browser French(FR) synonyms dictionary from package LibreOffice.

Rated 1 out of 5 stars (1)
275 users

Android Debug Bridge For Firefox

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

Rated 5 out of 5 stars (1)
262 users

ConQuery Requires Restart

Context searching for everyone and URL manipulation tool for advanced users...

Rated 5 out of 5 stars (38)
260 users