Add-ons
Most Popular All »
- 1. Lightning 6,518,445 users
- 2. ImportExportTools 457,433 users
- 3. Provider for Google Calendar 301,035 users
- 4. Manually sort folders 166,780 users
- 5. Enigmail 128,767 users
- 6. Quicktext 90,760 users
- 7. gContactSync 88,795 users
- 8. CompactHeader 88,650 users
- 9. LookOut (fix version) 85,334 users
- 10. Remove Duplicate Messages (Alternate) 70,482 users
Featured Extensions See all »
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A new Thunderbird address book based on the CardDAV and vCard standards.
Twitter: @CardBookAddon40,832 users -
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.128,767 users -
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. New beta version available from http://compactheader.mozdev.org/88,650 users -
Allow to redirect (a.k.a. "remail") mail messages to other recipients.36,013 users
Up & Coming Extensions See all »
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This addons allows you to write LaTeX expressions in your emails such as $x^2$ or $$\sum_{x=0}\infty$$ and have them all replaced by a PNG image with the corresponding formula inside.372 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)2,023 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".3,532 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync6,536 users -
Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.2,611 users -
Check if your emails arrived TLS-encrypted (and which corporations were able to read it nevertheless)1,367 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
