Top-Rated Extensions

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Super Video Downloader / Youtube Downloader Requires Restart

Download any video from any website like Youtube, Vimeo and DailyMotion and save it on your computer.

Rated 3 out of 5 stars (5)
2,378 users

Flashbug Requires Restart

This extension has been discontinued and merged into FlashFirebug.

Rated 3 out of 5 stars (5)
1,989 users

Google Black Bar Menu Classic

This simple script replaces Google grid navigation with old navigation bar.

Rated 3 out of 5 stars (5)
347 users

HTML 5 Validator

Adds a 'HTML 5 Validator' context menu item to a page's context menu.

Rated 3 out of 5 stars (5)
5,080 users

Define this..

Provides definitions of English words by simply highlighting, right clicking and selecting the 'Define this..' menu option

Rated 3 out of 5 stars (5)
13 users

Infowars-Fakenews

Pops up a warning on all fake-news sites as defined by Infowars here: https://www.infowars.com/the-ultimate-fake-news-list/

Rated 3 out of 5 stars (5)
32 users

World Weather

Get current weather and 3 day forecast for thousands of cities around the world.
A simple and fun way to get current weather all around the world.

Get current weather and 3 day forecast for thousands of cities around the world.

Rated 3 out of 5 stars (5)
424 users

KickassTorrents Toolbar Requires Restart

KickassTorrents Toolbar is the ultimate toolbar for KickassTorrents that retrieves the latest torrents of KickassTorrents and adds easy to use KickassTorrents search capabilites into your browser.

Rated 3 out of 5 stars (5)
290 users

Transcode Requires Restart

Исправляет текст написанный не в той раскладке. Т.е. из "ghbdtn" делает "привет".

Это действие еще иногда называют “покнопочная транслитерация”, или “клавиатурная транслитерация”.

Rated 3 out of 5 stars (5)
32 users

KickassTorrents Search Requires Restart

Select some text, right-click and choose "KickassTorrents Search" in the menu, a new tab will open with the searched text.

Rated 3 out of 5 stars (5)
1,020 users

Vimeo Downloader

Download vimeo videos with a single click

Rated 2 out of 5 stars (9)
4,411 users

Flickr Buddy Requires Restart

Get your flickr friends' updates.

Rated 2 out of 5 stars (10)
2 users

English - English Dictionary Requires Restart

Important!!! If you can't see the "Abc" icon , please click View --> Toolbars --> Bookmarks Toolbar.

This is an English dictionary for looking up words in English.

Select a word using your mouse and find its meaning in English!

Rated 2 out of 5 stars (9)
4,541 users

Youtube playlist converter to MP3

Convert videos to mp3 - directly from youtube - with just one click. You are also able to download your favourite playlists!

Rated 2 out of 5 stars (9)
1,624 users

alexa lite Requires Restart

Simple extension to let you get Alexa infomation of a web site, without install any toolbar.

Rated 2 out of 5 stars (9)
1,688 users

mail.com MailCheck for Firefox Requires Restart

Mail notifier for multiple email accounts.

Rated 2 out of 5 stars (13)
1,491 users

Yahoo Homepage

This extension automatically sets Yahoo.com as your homepage and new tab page.

Rated 2 out of 5 stars (43)
67,988 users

HTML5 Outliner

Displays the HTML5 document outline of the current web page. HTML5 Outlines are composed of labels for important structural elements (e.g., heading text, table titles, form titles etc).
Source Code: https://github.com/arky/html5-outliner-addon

Rated 2 out of 5 stars (10)
904 users

SendPage Requires Restart

This add-on just saves the current page to a file and calls an external program (usually Mozilla Thunderbird) using command line arguments to open the mail composer window with the saved file as an attachment.

Rated 2 out of 5 stars (7)
65 users

Hover Hand Requires Restart

Auto pop up images without having to click on the links. Only need to hover/mouse over the image link.

Rated 3 out of 5 stars (6)
579 users