Add-ons
Most Popular All »
- 1. ImportExportTools NG 250,717 users
- 2. Provider for Google Calendar 204,486 users
- 3. Manually sort folders 195,465 users
- 4. LookOut (fix version) 172,762 users
- 5. Quicktext 129,307 users
- 6. Send Later 97,426 users
- 7. Remove Duplicate Messages 93,670 users
- 8. TbSync 74,473 users
- 9. CardBook 69,514 users
- 10. Mail Merge 67,533 users
Featured Extensions See all »
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A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon69,514 users -
Uploads your large attachments to your WebDAV account instead of sending them by email.40,819 users -
Automatically archives old mails (Improved version of the orginal Autoarchive Add-on)19,802 users
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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.10,496 users -
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.26,991 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.21,141 users
Up & Coming Extensions See all »
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Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).1,115 users -
ChatGPT enhancer - adds context menu, keyboard shortcuts, history and more!1,391 users -
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.1,351 users -
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.4,181 users -
![Icon for Grammalecte [fr] (for Thunderbird)](https://addons.thunderbird.net/user-media/addon_icons/809/809689-32.png?modified=1602750472)
French grammar checker. Included: conjugation tool, text formatter and spelling dictionaries.6,467 users -
Once you close Thunderbird you will no longer be able to see your new emails. This plugin keeps Thunderbird active in the background, meaning you can still receive your new emails after closing the app. Use this when the app is in the startup.1,024 users
Featured Collections See all »
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