Up & Coming Extensions

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mozCleaner

Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.

Rated 3 out of 5 stars (6)
6 users

Custom Sender Address and Reply Requires Restart

Select sender mail address based on the recipient and reply with the same address

Rated 5 out of 5 stars (2)
16 users

Google Messages Tab

Adds a button to open Google Messages in a new tab.

Rated 4 out of 5 stars (5)
564 users

Markdown Here Requires Restart

Write your email in Markdown, then make it pretty.

Rated 4 out of 5 stars (46)
42 users

Check Domain Requires Restart

This extension is to display the warning dialog when you send mail for multiple domains.

Rated 4 out of 5 stars (4)
31 users

userChromeJS

Load the contents of chrome/userChrome.js from the user's profile directory every time a window is opened. Also add a toolbar button which reloads userChrome.js in the current window.

Rated 5 out of 5 stars (8)
335 users

smartCompose

A smart Plugin which provides functionalities to compose emails.

Not yet rated
11 users

YouTube Video Downloader

The Complete Guide to YouTube Video Downloader Converter Tool and How They Can Help You Easily Download and Convert Videos from YouTube.

Rated 5 out of 5 stars (1)
66 users

Received

Displays the "Received" header parsed with a regular expression.

Rated 5 out of 5 stars (4)
153 users

Copy Message ID

Adds a button to the message view toolbar to copy the message ID to the clipboard. This is useful when sending email replies via the command line.

Rated 5 out of 5 stars (3)
330 users

Addons Recent Updates Requires Restart

Show more addons recent updates

Rated 5 out of 5 stars (11)
8 users

Requires Restart

FTN-style message quoter (like GoldEd) & so on

Rated 4 out of 5 stars (6)
0 users

Character Palette Requires Restart

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

Rated 4 out of 5 stars (16)
2 users

Tb AutoSave Extension Requires Restart

You can now autosave messages from TB upon...

Rated 4 out of 5 stars (4)
0 users

External Email Alert Requires Restart

Alerts user to confirm that it is ok to send an external email.

Rated 3 out of 5 stars (6)
0 users

Google Keep - Quick Access

Quick Access to Google Keep in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 5 out of 5 stars (1)
67 users

GuifiProxy Requires Restart

Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement

Rated 4 out of 5 stars (20)
0 users

Today's messages Requires Restart

Show only your messages received during the current day, the last 7 days or the last 30 days thanks to 3 buttons.You may use pin button to keep filters applied when switching to your other inbox/folders.

Rated 4 out of 5 stars (18)
27 users

ansitel Click-to-Dial Thunderbird Requires Restart

Click-to-Dial Plugin für ansitel VoIP-Telefonanlagen zum Markieren und Wählen von Rufnummern in Mozilla Thunderbird.

Not yet rated
0 users

Close Tab By Double Click Requires Restart

Close active tab by double-clicking it.

Rated 4 out of 5 stars (7)
0 users