Add-ons
Most Popular All »
- 1. Provider for Google Calendar 252,219 users
- 2. Manually sort folders 216,452 users
- 3. ImportExportTools NG 213,326 users
- 4. LookOut (fix version) 164,403 users
- 5. Quicktext 128,161 users
- 6. Remove Duplicate Messages 85,749 users
- 7. TbSync 82,109 users
- 8. Send Later 76,651 users
- 9. CardBook 73,708 users
- 10. Mail Merge 70,503 users
Featured Extensions See all »
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Persistent sticky notes for Thunderbird associated to mails. You can email them/print/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.20,109 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.9,130 users -
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.28,483 users -
Upload large attachments to your Cloud and send the link by email19,464 users -
SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.6,703 users
Up & Coming Extensions See all »
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Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).2,902 users -
Check your emails for spelling and grammar issues4,781 users -
Restores the charset menu removed in Thunderbird 91 and fixes an issue in Thunderbird 78.2,348 users -
Get the hidden appointment from an email from outlook/teams as a .ics-file - Icon: https://fontawesome.com/1,149 users -
Save frequently-entered text for pasting later.825 users -
(Pre-) view image and office files in attachments
* Docx, xlsx, pptx, pdf preview
* Slideshow of images
* Zoom
* Drag zoomed image to choose the displayed region
* Rotate image
* Flip image
* Download dialog with thumbnail of the image1,032 users
Featured Collections See all »
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