Up & Coming Extensions

Subscribe

Confirm-Address Requires Restart

Confirm E-mail address before sending mail

Rated 5 out of 5 stars (58)
31,348 users

Colored Folders Requires Restart

Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...

This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished.

Rated 5 out of 5 stars (90)
15,553 users

Zombie Keys (Multilanguage Keyboard) Requires Restart Featured

Enter accents, diacritics, diaeresis, umlauts, ligatures etc. with keyboards of various countries (us,uk,ie,fr,it,ru,de,sv) - via easy to remember shortcuts or menu. Also supports all textboxes of the application (such as search, filters).

Rated 5 out of 5 stars (24)
1,620 users

Emoji Requires Restart

Add emojis to your e-mails.

Rated 4 out of 5 stars (26)
16,920 users

Send Later Button Requires Restart Featured

A simple button to invoke the (already existing) send later functions.

Rated 4 out of 5 stars (6)
14,173 users

Monterail Dark 2 for TB>68 Requires Restart

Monterail Dark, a Thunderbird theme inspired by the mockup of Monterail

Rated 4 out of 5 stars (7)
1,641 users

Check and Send Requires Restart

Check the message contents and addresses before you send the message...

Rated 4 out of 5 stars (31)
19,944 users

BiDi Mail UI Requires Restart

Direction control and BiDi-related charset misdetection correction

Rated 4 out of 5 stars (31)
2,426 users

Signal Spam Requires Restart

Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).

Rated 3 out of 5 stars (106)
14,296 users

Open With Requires Restart

Open With can open your web links in any browser installed on your computer.

Rated 5 out of 5 stars (4)
1,828 users

Grammar Checker Requires Restart Featured

Checks grammar using LanguageTool.

Rated 4 out of 5 stars (14)
11,610 users

MailHops Requires Restart

MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.

Rated 4 out of 5 stars (29)
2,337 users

FlashGot Mass Downloader Requires Restart

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (890)
1,940 users

Paranoia Requires Restart

Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)

Rated 4 out of 5 stars (10)
2,275 users

Profile Switcher Requires Restart

Adds options to launch other profiles.

Rated 4 out of 5 stars (4)
2,036 users

ThunderHTMLedit Requires Restart Featured

Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.

Rated 5 out of 5 stars (21)
11,016 users

AttachmentExtractor Continued Requires Restart

This add-on is a (work in progress) fixed version of the original Add-on "AttachmentExtractor" which is no longer supported and fixed by the original author.

It Extracts all attachments from selected messages and then can delete, detach...

Rated 4 out of 5 stars (47)
5,429 users

LaTeX It! Requires Restart

This addons allows you to write LaTeX expressions in your emails such as $x^2$ or $$\sum_{x=0}\infty$$ and have them all replaced by a PNG image with the corresponding formula inside.

Rated 4 out of 5 stars (34)
1,923 users

Rspamd-spamness Requires Restart

Rspamd spam filtering system score visualization.

Rated 5 out of 5 stars (3)
1,031 users

Menu On Top (SuperMenu Avatar) Requires Restart

Move the Thunderbird menu bar to the top. Choose from a selection of visual styles + colors. Add frequently used bookmarks and an avatar icon without wasting precious screen space. Bookmark your favorite sites, emails, folders or configuration pages.

Rated 5 out of 5 stars (8)
1,800 users