Add-ons
Most Popular All »
- 1. ImportExportTools NG 254,198 users
- 2. Provider for Google Calendar 207,676 users
- 3. Manually sort folders 197,606 users
- 4. LookOut (fix version) 174,197 users
- 5. Quicktext 129,064 users
- 6. Send Later 97,558 users
- 7. Remove Duplicate Messages 94,655 users
- 8. TbSync 74,771 users
- 9. CardBook 70,325 users
- 10. Mail Merge 68,075 users
Featured Extensions See all »
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Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)19,724 users -
Uploads your large attachments to your WebDAV account instead of sending them by email.41,271 users
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A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon70,325 users -
Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.10,497 users -
Persistent sticky notes associated to emails. You can fulltext search with constraints/email them/print/bookmark/copy to clipboard.
If you have a large screen, you can even display the notes outside of TB's main window, so it won't hide anything.21,304 users
Up & Coming Extensions See all »
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List addons in Windows' "Add or Remove Programs".1,299 users
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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.3,816 users -
Confirm mail address and attachments based on flexible rules.
(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)12,504 users -
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).1,047 users -
ChatGPT enhancer - adds context menu, keyboard shortcuts, history and more!1,198 users
Featured Collections See all »
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