Up & Coming Extensions

Subscribe

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (129)
29,155 users

Stylish Requires Restart

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (884)
417,813 users

Email This! Requires Restart

Email This! will send your recipient the link, title, & highlighted text of the page you are viewing using GMail, Google Apps GMail, Yahoo, and Stand-Alone Mail Clients like Outlook Express, Thunderbird, & More!

Rated 5 out of 5 stars (61)
10,521 users

Add-ons Manager - Version Number

Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.

Rated 5 out of 5 stars (20)
1,820 users

Clean Subject Requires Restart

"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.

Rated 4 out of 5 stars (38)
3,626 users

ImageTweak: zoom/rotate images and videos! Requires Restart

A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.

Rated 4 out of 5 stars (100)
3,991 users

1-click Online Document View Requires Restart

Open DOC, DOCX, PDF, PPT, PPTX and TIFF files linked in any webpage directly with Google Docs viewer using "1-click Online Document View", with a single left-click of your mouse / trackpad!!

Rated 4 out of 5 stars (5)
1,933 users

Duplicate This Tab Requires Restart

This add-on provides the much needed feature update of Tab Duplication to Mozilla Browsers. Features Supported include Duplication of Browser Tabs, Detaching Tabs and Merging All Windows.

Rated 4 out of 5 stars (43)
6,443 users

Nightly Tester Tools Requires Restart

Useful tools for the nightly tester.

Rated 4 out of 5 stars (195)
23,509 users

Slim Add-ons Manager

The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.

Rated 5 out of 5 stars (52)
8,534 users

Mailbox Alert Requires Restart

Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...

Rated 4 out of 5 stars (150)
18,446 users

Private Tab

Adds private tabs.

Rated 5 out of 5 stars (255)
64,231 users

HTML5 Loop Requires Restart

Loop HTML5 Video and Music.

Rated 2 out of 5 stars (16)
1,074 users

DownThemAll! AntiContainer Requires Restart

Make the resources behind container pages easily downloadable by DownThemAll!

Rated 5 out of 5 stars (31)
68,677 users

Télécommande Virtuelle Freebox Révolution V6/HD V5 Requires Restart

Un clic sur l'icone de télécommande visible dans la barre des modules fait apparait une télécommande plus grosse en bas à droite de la fenêtre de Firefox. Celle-ci permet de piloter votre Freebox Révolution V6 ou HD V5.

Rated 5 out of 5 stars (3)
3,422 users

HabuL Requires Restart

Reports spam to the SpamCop, the FTC, FDA, SEC, ACMA and/or Knujon.com. It also allows you to put in your own custom addresses to report spam to such as your ISP or corporate abuse address.

Rated 4 out of 5 stars (35)
1,651 users

RSS Icon in url bar

Add RSS icon into URL bar

Rated 4 out of 5 stars (42)
8,759 users

Addons Recent Updates Requires Restart

Show more addons recent updates

Rated 5 out of 5 stars (10)
1,553 users

IMAP Received Date Requires Restart

Make the “Received” column in IMAP folders show when messages were actually received.

Rated 5 out of 5 stars (6)
2,018 users

Bookmark Toolbar Menu Button

Show the contents of the Bookmarks Toolbar in a drop down menu. This compresses the bookmark menu into one button that you can put on any toolbar you want to.

Rated 4 out of 5 stars (5)
2,490 users