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GameFOX Requires Restart

Enhances the GameFAQs message boards.

Rated 5 out of 5 stars (19)
618 users

printplus Requires Restart

PDF export support by Gecko.
https://github.com/hATrayflood/printplus

Rated 4 out of 5 stars (5)
615 users

FromWhereToWhere Requires Restart

Link suggestion: based on user's local browsing history only.
Browsing history searching: list the pages from where you visited one page, and all the other pages you visited from those pages. Keywords searching, Scrapbook support, naive sharing.

Rated 5 out of 5 stars (11)
606 users

WikiSearch Requires Restart

Search Wikipedia through the context menu.

Rated 4 out of 5 stars (7)
602 users

Tab Numbers

Keeps track of your browser tab number.

Rated 5 out of 5 stars (4)
602 users

Restart Application Button

Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.

Rated 4 out of 5 stars (3)
601 users

IsAdmin Requires Restart

Shows whether the application is running with admin privileges, using an icon in the status bar; useful if logged in as an administrator and you use privilege limitation tools such as DropMyRights, RunAs or Windows User Account Control.

Rated 5 out of 5 stars (10)
599 users

Scrapbook X CopyPageInfo Requires Restart

Copies the information from ScrapBook data items.

Rated 5 out of 5 stars (1)
592 users

Duplicate Tab Requires Restart

Duplicate Tab allows you to clone a tab along with its...

Rated 5 out of 5 stars (181)
581 users

Force HTML5 Video Player at vk.com (ВКонтакте.ру) Requires Restart

Принудительный вызов HTML5 плеера ВКонтакте даже при наличии Adobe Flash (можно отключить это поведение в настройках аддона).
Force load of HTML5 video player of vk.com even when Abode Flash is avaliable.

Rated 4 out of 5 stars (5)
579 users

Sort and Search Customization Dialogs Requires Restart

Sort and search for buttons in (any) toolbar customization dialog

Rated 4 out of 5 stars (14)
575 users

Find Image Copies Requires Restart

The Find Image Copies Firefox extension helps you quickly find image copies. Search for image copies straight from the right-click menu in any website.

Rated 5 out of 5 stars (2)
570 users

Minimeter Requires Restart

Monitor your provider's upload/download usage meter.
Not maintained anymore, looking for a developer, contact me if you're interested.

Rated 4 out of 5 stars (49)
566 users

Character Palette Requires Restart

Firefox toolbar for selecting strange characters that are not on my keyboard.

Rated 3 out of 5 stars (12)
562 users

Focus Regainer Requires Restart

Return focus from embedded object back to browser on browser hotkeys pressed.

Rated 4 out of 5 stars (22)
553 users

ChatZilla ru-RU Requires Restart

Russian translation of ChatZilla

Rated 5 out of 5 stars (1)
549 users

Advanced Dork: Requires Restart

Advanced Dork: gives quick access to Google's Advanced Operators directly from the context menu...

Rated 5 out of 5 stars (21)
538 users

Yahoo Mail Sidebar

Yahoo Mail Sidebar brings Yahoo Mail right into your Firefox Sidebar.

Not yet rated
538 users

Facebook Chat Download

Create a simple html page containing the whole chat. The page will contain only the chat section. All other page elements will be removed. Once the addons ends loading the chat you can save the clean page from your browser.

Rated 2 out of 5 stars (1)
524 users

Multiple Addon Deactivator Requires Restart

Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time

Rated 4 out of 5 stars (21)
522 users