Recently Updated Extensions

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Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

Rated 5 out of 5 stars (90)
8,702 users
Updated June 19, 2015

Viewhance No Restart

Additional functionality for the browser's default image and video viewer.

Rated 4 out of 5 stars (4)
9,150 users
Updated June 18, 2015

Shrunked Image Resizer

Make your photos smaller, so they don't take forever to email or send to websites.

Rated 4 out of 5 stars (32)
7,599 users
Updated June 18, 2015

OpenDownload²

OpenDownload² extends the "Save" dialog by a "Run" button to open the file directly.

Rated 5 out of 5 stars (136)
23,548 users
Updated June 17, 2015

QFO - Quick Fuck Off

This extension serves the purpose of providing instant access to the FOAAS web service. FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.

Not yet rated
6 users
Updated June 17, 2015

Screen-sharing extension for snap.md No Restart

Screen-sharing extension for snap.md

Not yet rated
56 users
Updated June 16, 2015

Flexible Identity

Selects an identity based on the recipients list when sending an email

Rated 4 out of 5 stars (21)
1,590 users
Updated June 16, 2015

Imagus No Restart

Enlarge thumbnails, and show images/videos from links with a mouse hover.

Rated 5 out of 5 stars (32)
9,367 users
Updated June 16, 2015

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

Rated 4 out of 5 stars (1,620)
107,806 users
Updated June 14, 2015

Mouse Gestures Suite

Mouse gestures for SeaMonkey & Firefox: navigate & execute commands using mouse gestures (with single mouse button) and rocker gestures (by pressing 2 mouse buttons). Also: scroll wheel navigation, page scrolling, tab scrolling.

Rated 5 out of 5 stars (19)
5,234 users
Updated June 12, 2015

Lightning Featured

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1,842)
1,297,614 users
Updated June 12, 2015

Page Colors & Fonts Buttons No Restart

Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.

Not yet rated
168 users
Updated June 11, 2015

Bookmark Toolbar Menu Button No Restart

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 5 out of 5 stars (1)
707 users
Updated June 11, 2015

Page Navigation Buttons No Restart

Adds a few buttons to help with page navigation, including Page Top, Page Bottom, Page Down and Page Up.

Not yet rated
62 users
Updated June 11, 2015

All Menus Button No Restart

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 5 out of 5 stars (2)
507 users
Updated June 11, 2015

Free Memory Button No Restart

Free unused memory that Firefox is currently using.

Rated 5 out of 5 stars (2)
698 users
Updated June 11, 2015

About:about Button No Restart

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

Rated 5 out of 5 stars (1)
79 users
Updated June 11, 2015

Find Buttons No Restart

Adds buttons to open and manage the find bar.

Not yet rated
29 users
Updated June 11, 2015

Tab Numbers No Restart

Keeps track of your browser tab number.

Rated 5 out of 5 stars (2)
277 users
Updated June 10, 2015

Browser Backgrounds

Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.

Rated 4 out of 5 stars (48)
9,215 users
Updated June 10, 2015