Up & Coming Extensions

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Rebrand Requires Restart

This wizard creates an XPI that rebrands Firefox, SeaMonkey or Thunderbird. You can change the brand name as well as the brand images and icons.

Rated 4 out of 5 stars (13)
6,786 users

Copy Pure Text Requires Restart

Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.

Rated 4 out of 5 stars (15)
5,235 users

Menu Wizard Requires Restart

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (181)
113,152 users

Join-NG Requires Restart

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

Rated 5 out of 5 stars (4)
2,885 users

AutoProxy-ng Requires Restart

This is a fork of AutoProxy, which can run the latest version of Firefox.

Rated 4 out of 5 stars (24)
4,531 users

Google Keep Notes

Google Keep Notes brings Google Keep right into your Firefox Sidebar.

Rated 4 out of 5 stars (7)
3,312 users

AlexaTopSites

This add-on provides quick access to Alexa's Top Sites.

Rated 4 out of 5 stars (5)
1,614 users

TryAgain Requires Restart

TryAgain keeps trying to load a webpage when the server cannot be reached.

Rated 4 out of 5 stars (72)
7,443 users

Quick Locale Switcher 2 Requires Restart

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 5 out of 5 stars (1)
1,785 users

Remote XUL Manager

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (37)
75,908 users

Lucifox Requires Restart

Read EPUB e-books and browse OPDS catalogs.

Rated 4 out of 5 stars (24)
137,441 users

Open With Adobe Illustrator

Open With Adobe Illustrator is a new companion for web designers, graphic designers and in general whom like to use Illustrator.

Rated 3 out of 5 stars (1)
5,231 users

Pan

Block ads and manage proxy.

Rated 5 out of 5 stars (77)
5,249 users

Google Hangouts Web Messenger

Google Hangouts Web Messenger brings Google Hangouts right into your browser to chat with your friends.

Rated 5 out of 5 stars (4)
4,857 users

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (37)
134,822 users

LookOut (fix version) Requires Restart

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Support: Thunderbird and SeaMonkey

Rated 4 out of 5 stars (11)
25,209 users

Quote Colors Requires Restart

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

Rated 4 out of 5 stars (46)
13,881 users

AutoProxy Requires Restart

Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.

Rated 4 out of 5 stars (381)
37,118 users

Web Messenger for WhatsApp™

Web Messenger for WhatsApp™ brings web messenger right into your browser to chat with your friends.

Rated 5 out of 5 stars (7)
24,207 users

QuoteCollapse Requires Restart

Collapse and expand quotes. Please see the extension homepage for...

Rated 4 out of 5 stars (26)
9,449 users