Add-ons
Up & Coming Extensions
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Full Address Column
Adds a full sender and recipient e-mail column to message list panel.
FlexConfirmMail
Confirm mail address and attachments based on flexible rules.
(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)
Start with Inbox
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Extract 'Em!
Featured
Extracts attachments from messages within an account or folder, with the option to select specific attachments. Extracted attachments are saved to a .zip file.
NOTICE: Version 1.1.4 of Extract 'Em! is defective, please replace with 1.1.2 or 1.2.1
SPAMBEE
Report any unsollicited email (SPAM, Phishing, ...) to SPAMBEE.
Get an alert if you open an email containing a URL already known as fraudulent.
All reports are anonymized, no registration is required.
WarnAttachment
WarnAttachment shows an additional dialog to confirm potentially dangerous attachments. Some attachments like executables etc. are completely blocked. This reduces the risk of malware especially for inexperienced users.
Confirm-Address
Attachment Viewer: view in a tab, slideshow
View attachments in TB
Images, office files, mp3, mp4
Use Dropbox viewer for 175 file types (in v3)
* Docx, xlsx, pptx, pdf preview
* Slideshow of images
* Zoom/drag to position
* Rotate/flip image
* Download dialog with thumbnail of image
Blinking Alert
Requires Restart
Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.
Theme Font & Size Changer (fixed)
Fixed version (no 90 day timer till silent failure) of the popular "Theme Font & Size Changer for Thunderbird" addon
Charset Menu
Restores the charset menu removed in Thunderbird 91 and fixes an issue in Thunderbird 78.
IMAP Quota (Free Space)
Requires Restart
This Thunderbird addon lets you customize the IMAP quota statusbar panel.
Grammalecte [fr] (for Thunderbird)
French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.
Auto Address Cleaner T
Remove comment, display name from addresses before sending mail.
This add-on is a fork of Auto Address Cleaner.
https://addons.thunderbird.net/thunderbird/addon/auto-address-cleaner/
FireTray
Requires Restart
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory. uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker that blocks ads, trackers, coin miners, popups, annoying anti-blockers, etc. in your feeds.
Addressbooks Synchronizer
Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers
To create your own collections, you must have a Mozilla Add-ons account.
