Add-ons
My favourites
by aRubes
About this Collection
ℹIcon by Trinagle Squad (you can find them at iconfinder)
19 Add-ons in this Collection
CardBook
Manually sort folders
by Jonathan Protzenko, Itagaki Fumihiko
11,775 users
This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
Send Later
by Jonathan Kamens, Jonathan Perry-Houts
105,497 users
True "Send Later" functionality to schedule the time for sending an email.
Signature Switch
by Achim Seufert
54,085 users
Switch the signature on/off or choose a new one from your predefined set.
BiDi Mail UI
by The BiDi UI Team, Eyal Rozenberg
1,872 users
Direction control and BiDi-related charset misdetection correction
Additional Info for Simplelogin
by oktupol
43 users
For e-mails forwarded by Simplelogin, a pop-up displays the original sender of the e-mail, as well as the alias that the e-mail was sent to and the address that it was forwarded to.
Recently
by Arnd Issler
72 users
Recently is a small Mozilla Thunderbird extension for having the most recent contacts at hand
Unicodify – Text transformer
by Teal Dulcet, rugk
406 users
Easily and quickly transform text to “Unicode fonts” and change the casing.
Strip inline images
by mitxela
151 users
Adds a button to the compose window to remove inline images from messages. The images are replaced with their filename in angled brackets.
This is helpful when replying to long message threads with lots of embedded images.
Compact Headers
Proton Calendar Toolbar Button
by Lars Baum
737 users
Adds a Proton Calendar button to the toolbar. The button simply opens a new tab with the https://calendar.proton.me webpage.
Proton Mail Toolbar Button
by Lars Baum
545 users
Adds a Proton Mail button to the toolbar. The button simply opens a new tab with the https://mail.proton.me webpage.
WhatsApp Web in Thunderbird
Telegram Web in Thunderbird
ProtonMail Encryption Status
by Dan Q
684 users
When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.
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